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Finding the Fourth Proportional to 62,841.38, 86,722.74 and 34,162.97

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Solution

The fourth proportional to 62,841.38, 86,722.74 and 34,162.97 is: 47,145.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,841.38 : 86,722.74 = 34,162.97 : x
  2. Step 2: Convert to fraction form
    62,841.38/86,722.74 = 34,162.97/x
  3. Step 3: Cross multiply
    62,841.38x = 86,722.74 × 34,162.97
  4. Step 4: Simplify right side
    62,841.38x = 2,962,705,931.32
  5. Step 5: Solve for x
    x = 2,962,705,931.32/62,841.38
  6. Step 6: Final answer
    x = 47,145.78

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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.