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Finding the Fourth Proportional to 62,963.43, 86,891.45 and 34,670.13

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Solution

The fourth proportional to 62,963.43, 86,891.45 and 34,670.13 is: 47,845.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,963.43 : 86,891.45 = 34,670.13 : x
  2. Step 2: Convert to fraction form
    62,963.43/86,891.45 = 34,670.13/x
  3. Step 3: Cross multiply
    62,963.43x = 86,891.45 × 34,670.13
  4. Step 4: Simplify right side
    62,963.43x = 3,012,537,694.04
  5. Step 5: Solve for x
    x = 3,012,537,694.04/62,963.43
  6. Step 6: Final answer
    x = 47,845.83

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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.