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Finding the Fourth Proportional to 49,700.60, 74,531.10 and 16,411.40

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Solution

The fourth proportional to 49,700.60, 74,531.10 and 16,411.40 is: 24,610.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,700.60 : 74,531.10 = 16,411.40 : x
  2. Step 2: Convert to fraction form
    49,700.60/74,531.10 = 16,411.40/x
  3. Step 3: Cross multiply
    49,700.60x = 74,531.10 × 16,411.40
  4. Step 4: Simplify right side
    49,700.60x = 1,223,159,694.54
  5. Step 5: Solve for x
    x = 1,223,159,694.54/49,700.60
  6. Step 6: Final answer
    x = 24,610.56

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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.