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Finding the Fourth Proportional to 44,553.60, 66,830.40 and 39,715.20

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Solution

The fourth proportional to 44,553.60, 66,830.40 and 39,715.20 is: 59,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,553.60 : 66,830.40 = 39,715.20 : x
  2. Step 2: Convert to fraction form
    44,553.60/66,830.40 = 39,715.20/x
  3. Step 3: Cross multiply
    44,553.60x = 66,830.40 × 39,715.20
  4. Step 4: Simplify right side
    44,553.60x = 2,654,182,702.08
  5. Step 5: Solve for x
    x = 2,654,182,702.08/44,553.60
  6. Step 6: Final answer
    x = 59,572.80

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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.