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Finding the Fourth Proportional to 36,452.87, 54,679.31 and 8,750.87

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Solution

The fourth proportional to 36,452.87, 54,679.31 and 8,750.87 is: 13,126.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,452.87 : 54,679.31 = 8,750.87 : x
  2. Step 2: Convert to fraction form
    36,452.87/54,679.31 = 8,750.87/x
  3. Step 3: Cross multiply
    36,452.87x = 54,679.31 × 8,750.87
  4. Step 4: Simplify right side
    36,452.87x = 478,491,533.50
  5. Step 5: Solve for x
    x = 478,491,533.50/36,452.87
  6. Step 6: Final answer
    x = 13,126.31

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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.