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Finding the Fourth Proportional to 62,996.76, 86,935.68 and 34,702.92

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Solution

The fourth proportional to 62,996.76, 86,935.68 and 34,702.92 is: 47,890.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,996.76 : 86,935.68 = 34,702.92 : x
  2. Step 2: Convert to fraction form
    62,996.76/86,935.68 = 34,702.92/x
  3. Step 3: Cross multiply
    62,996.76x = 86,935.68 × 34,702.92
  4. Step 4: Simplify right side
    62,996.76x = 3,016,921,948.19
  5. Step 5: Solve for x
    x = 3,016,921,948.19/62,996.76
  6. Step 6: Final answer
    x = 47,890.11

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1.5x scale

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.