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Finding the Fourth Proportional to 62,560.96, 93,821.90 and 18,192.20

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Solution

The fourth proportional to 62,560.96, 93,821.90 and 18,192.20 is: 27,282.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,560.96 : 93,821.90 = 18,192.20 : x
  2. Step 2: Convert to fraction form
    62,560.96/93,821.90 = 18,192.20/x
  3. Step 3: Cross multiply
    62,560.96x = 93,821.90 × 18,192.20
  4. Step 4: Simplify right side
    62,560.96x = 1,706,826,209.11
  5. Step 5: Solve for x
    x = 1,706,826,209.11/62,560.96
  6. Step 6: Final answer
    x = 27,282.61

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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.