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Finding the Fourth Proportional to 62,398.39, 86,108.50 and 34,104.28

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Solution

The fourth proportional to 62,398.39, 86,108.50 and 34,104.28 is: 47,063.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,398.39 : 86,108.50 = 34,104.28 : x
  2. Step 2: Convert to fraction form
    62,398.39/86,108.50 = 34,104.28/x
  3. Step 3: Cross multiply
    62,398.39x = 86,108.50 × 34,104.28
  4. Step 4: Simplify right side
    62,398.39x = 2,936,668,394.38
  5. Step 5: Solve for x
    x = 2,936,668,394.38/62,398.39
  6. Step 6: Final answer
    x = 47,063.21

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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.