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Finding the Fourth Proportional to 17,602,616.40, 26,403,924.60 and 11,555,998.80

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Solution

The fourth proportional to 17,602,616.40, 26,403,924.60 and 11,555,998.80 is: 17,333,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,602,616.40 : 26,403,924.60 = 11,555,998.80 : x
  2. Step 2: Convert to fraction form
    17,602,616.40/26,403,924.60 = 11,555,998.80/x
  3. Step 3: Cross multiply
    17,602,616.40x = 26,403,924.60 × 11,555,998.80
  4. Step 4: Simplify right side
    17,602,616.40x = 305,123,720,992,890.50
  5. Step 5: Solve for x
    x = 305,123,720,992,890.50/17,602,616.40
  6. Step 6: Final answer
    x = 17,333,998.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.