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Finding the Fourth Proportional to 62,871.20, 94,306.80 and 29,580.20

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Solution

The fourth proportional to 62,871.20, 94,306.80 and 29,580.20 is: 44,370.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,871.20 : 94,306.80 = 29,580.20 : x
  2. Step 2: Convert to fraction form
    62,871.20/94,306.80 = 29,580.20/x
  3. Step 3: Cross multiply
    62,871.20x = 94,306.80 × 29,580.20
  4. Step 4: Simplify right side
    62,871.20x = 2,789,614,005.36
  5. Step 5: Solve for x
    x = 2,789,614,005.36/62,871.20
  6. Step 6: Final answer
    x = 44,370.30

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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.