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Finding the Fourth Proportional to 39,562.80, 59,351.52 and 12,552

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Solution

The fourth proportional to 39,562.80, 59,351.52 and 12,552 is: 18,830.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,562.80 : 59,351.52 = 12,552 : x
  2. Step 2: Convert to fraction form
    39,562.80/59,351.52 = 12,552/x
  3. Step 3: Cross multiply
    39,562.80x = 59,351.52 × 12,552
  4. Step 4: Simplify right side
    39,562.80x = 744,980,279.04
  5. Step 5: Solve for x
    x = 744,980,279.04/39,562.80
  6. Step 6: Final answer
    x = 18,830.32

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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.