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Finding the Fourth Proportional to 62,872.52, 86,767.80 and 36,023.36

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Solution

The fourth proportional to 62,872.52, 86,767.80 and 36,023.36 is: 49,714.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,872.52 : 86,767.80 = 36,023.36 : x
  2. Step 2: Convert to fraction form
    62,872.52/86,767.80 = 36,023.36/x
  3. Step 3: Cross multiply
    62,872.52x = 86,767.80 × 36,023.36
  4. Step 4: Simplify right side
    62,872.52x = 3,125,667,695.81
  5. Step 5: Solve for x
    x = 3,125,667,695.81/62,872.52
  6. Step 6: Final answer
    x = 49,714.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.