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Finding the Fourth Proportional to 58,922.78, 88,331.90 and 21,475.88

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Solution

The fourth proportional to 58,922.78, 88,331.90 and 21,475.88 is: 32,194.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,922.78 : 88,331.90 = 21,475.88 : x
  2. Step 2: Convert to fraction form
    58,922.78/88,331.90 = 21,475.88/x
  3. Step 3: Cross multiply
    58,922.78x = 88,331.90 × 21,475.88
  4. Step 4: Simplify right side
    58,922.78x = 1,897,004,735.53
  5. Step 5: Solve for x
    x = 1,897,004,735.53/58,922.78
  6. Step 6: Final answer
    x = 32,194.76

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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.