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Finding the Fourth Proportional to 58,601.02, 87,933.12 and 38,888.86

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Solution

The fourth proportional to 58,601.02, 87,933.12 and 38,888.86 is: 58,354.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,601.02 : 87,933.12 = 38,888.86 : x
  2. Step 2: Convert to fraction form
    58,601.02/87,933.12 = 38,888.86/x
  3. Step 3: Cross multiply
    58,601.02x = 87,933.12 × 38,888.86
  4. Step 4: Simplify right side
    58,601.02x = 3,419,618,793.04
  5. Step 5: Solve for x
    x = 3,419,618,793.04/58,601.02
  6. Step 6: Final answer
    x = 58,354.25

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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.