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Finding the Fourth Proportional to 63,389.82, 87,471.88 and 37,891.14

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Solution

The fourth proportional to 63,389.82, 87,471.88 and 37,891.14 is: 52,286.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,389.82 : 87,471.88 = 37,891.14 : x
  2. Step 2: Convert to fraction form
    63,389.82/87,471.88 = 37,891.14/x
  3. Step 3: Cross multiply
    63,389.82x = 87,471.88 × 37,891.14
  4. Step 4: Simplify right side
    63,389.82x = 3,314,409,251.14
  5. Step 5: Solve for x
    x = 3,314,409,251.14/63,389.82
  6. Step 6: Final answer
    x = 52,286.14

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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.