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Finding the Fourth Proportional to 62,323.74, 86,008.56 and 34,031.28

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Solution

The fourth proportional to 62,323.74, 86,008.56 and 34,031.28 is: 46,964.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,323.74 : 86,008.56 = 34,031.28 : x
  2. Step 2: Convert to fraction form
    62,323.74/86,008.56 = 34,031.28/x
  3. Step 3: Cross multiply
    62,323.74x = 86,008.56 × 34,031.28
  4. Step 4: Simplify right side
    62,323.74x = 2,926,981,387.76
  5. Step 5: Solve for x
    x = 2,926,981,387.76/62,323.74
  6. Step 6: Final answer
    x = 46,964.15

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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.