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Finding the Fourth Proportional to 17,968,390.80, 26,952,586.20 and 17,495,998.80

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Solution

The fourth proportional to 17,968,390.80, 26,952,586.20 and 17,495,998.80 is: 26,243,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,968,390.80 : 26,952,586.20 = 17,495,998.80 : x
  2. Step 2: Convert to fraction form
    17,968,390.80/26,952,586.20 = 17,495,998.80/x
  3. Step 3: Cross multiply
    17,968,390.80x = 26,952,586.20 × 17,495,998.80
  4. Step 4: Simplify right side
    17,968,390.80x = 471,562,415,812,096.56
  5. Step 5: Solve for x
    x = 471,562,415,812,096.56/17,968,390.80
  6. Step 6: Final answer
    x = 26,243,998.20

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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.