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Finding the Fourth Proportional to 62,874.96, 94,312.12 and 15,489.96

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Solution

The fourth proportional to 62,874.96, 94,312.12 and 15,489.96 is: 23,234.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,874.96 : 94,312.12 = 15,489.96 : x
  2. Step 2: Convert to fraction form
    62,874.96/94,312.12 = 15,489.96/x
  3. Step 3: Cross multiply
    62,874.96x = 94,312.12 × 15,489.96
  4. Step 4: Simplify right side
    62,874.96x = 1,460,890,966.32
  5. Step 5: Solve for x
    x = 1,460,890,966.32/62,874.96
  6. Step 6: Final answer
    x = 23,234.86

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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.