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Finding the Fourth Proportional to 57,255.03, 85,841.03 and 38,488.52

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Solution

The fourth proportional to 57,255.03, 85,841.03 and 38,488.52 is: 57,704.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,255.03 : 85,841.03 = 38,488.52 : x
  2. Step 2: Convert to fraction form
    57,255.03/85,841.03 = 38,488.52/x
  3. Step 3: Cross multiply
    57,255.03x = 85,841.03 × 38,488.52
  4. Step 4: Simplify right side
    57,255.03x = 3,303,894,199.98
  5. Step 5: Solve for x
    x = 3,303,894,199.98/57,255.03
  6. Step 6: Final answer
    x = 57,704.87

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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.