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Finding the Fourth Proportional to 38,882.96, 58,333.71 and 12,587.71

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Solution

The fourth proportional to 38,882.96, 58,333.71 and 12,587.71 is: 18,884.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,882.96 : 58,333.71 = 12,587.71 : x
  2. Step 2: Convert to fraction form
    38,882.96/58,333.71 = 12,587.71/x
  3. Step 3: Cross multiply
    38,882.96x = 58,333.71 × 12,587.71
  4. Step 4: Simplify right side
    38,882.96x = 734,287,635.98
  5. Step 5: Solve for x
    x = 734,287,635.98/38,882.96
  6. Step 6: Final answer
    x = 18,884.56

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1.5x scale

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.