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Finding the Fourth Proportional to 11,674.98, 17,394.48 and 11,117.70

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Solution

The fourth proportional to 11,674.98, 17,394.48 and 11,117.70 is: 16,564.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,674.98 : 17,394.48 = 11,117.70 : x
  2. Step 2: Convert to fraction form
    11,674.98/17,394.48 = 11,117.70/x
  3. Step 3: Cross multiply
    11,674.98x = 17,394.48 × 11,117.70
  4. Step 4: Simplify right side
    11,674.98x = 193,386,610.30
  5. Step 5: Solve for x
    x = 193,386,610.30/11,674.98
  6. Step 6: Final answer
    x = 16,564.19

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Half scale
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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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.