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Finding the Fourth Proportional to 62,996.91, 86,935.95 and 34,702.53

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Solution

The fourth proportional to 62,996.91, 86,935.95 and 34,702.53 is: 47,889.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,996.91 : 86,935.95 = 34,702.53 : x
  2. Step 2: Convert to fraction form
    62,996.91/86,935.95 = 34,702.53/x
  3. Step 3: Cross multiply
    62,996.91x = 86,935.95 × 34,702.53
  4. Step 4: Simplify right side
    62,996.91x = 3,016,897,412.95
  5. Step 5: Solve for x
    x = 3,016,897,412.95/62,996.91
  6. Step 6: Final answer
    x = 47,889.61

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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.