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Finding the Fourth Proportional to 58,961.28, 88,414.08 and 21,494.88

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Solution

The fourth proportional to 58,961.28, 88,414.08 and 21,494.88 is: 32,232.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,961.28 : 88,414.08 = 21,494.88 : x
  2. Step 2: Convert to fraction form
    58,961.28/88,414.08 = 21,494.88/x
  3. Step 3: Cross multiply
    58,961.28x = 88,414.08 × 21,494.88
  4. Step 4: Simplify right side
    58,961.28x = 1,900,450,039.91
  5. Step 5: Solve for x
    x = 1,900,450,039.91/58,961.28
  6. Step 6: Final answer
    x = 32,232.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.