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Finding the Fourth Proportional to 44,874.72, 67,304.76 and 31,687.20

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Solution

The fourth proportional to 44,874.72, 67,304.76 and 31,687.20 is: 47,525.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,874.72 : 67,304.76 = 31,687.20 : x
  2. Step 2: Convert to fraction form
    44,874.72/67,304.76 = 31,687.20/x
  3. Step 3: Cross multiply
    44,874.72x = 67,304.76 × 31,687.20
  4. Step 4: Simplify right side
    44,874.72x = 2,132,699,391.07
  5. Step 5: Solve for x
    x = 2,132,699,391.07/44,874.72
  6. Step 6: Final answer
    x = 47,525.63

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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.