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Finding the Fourth Proportional to 58,502.68, 87,753.92 and 19,059.72

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Solution

The fourth proportional to 58,502.68, 87,753.92 and 19,059.72 is: 28,589.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,502.68 : 87,753.92 = 19,059.72 : x
  2. Step 2: Convert to fraction form
    58,502.68/87,753.92 = 19,059.72/x
  3. Step 3: Cross multiply
    58,502.68x = 87,753.92 × 19,059.72
  4. Step 4: Simplify right side
    58,502.68x = 1,672,565,144.10
  5. Step 5: Solve for x
    x = 1,672,565,144.10/58,502.68
  6. Step 6: Final answer
    x = 28,589.55

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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.