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Finding the Fourth Proportional to 62,883.72, 94,337.19 and 20,766.72

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Solution

The fourth proportional to 62,883.72, 94,337.19 and 20,766.72 is: 31,153.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,883.72 : 94,337.19 = 20,766.72 : x
  2. Step 2: Convert to fraction form
    62,883.72/94,337.19 = 20,766.72/x
  3. Step 3: Cross multiply
    62,883.72x = 94,337.19 × 20,766.72
  4. Step 4: Simplify right side
    62,883.72x = 1,959,074,010.32
  5. Step 5: Solve for x
    x = 1,959,074,010.32/62,883.72
  6. Step 6: Final answer
    x = 31,153.91

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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.