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Finding the Fourth Proportional to 38,247, 57,375.36 and 10,545

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Solution

The fourth proportional to 38,247, 57,375.36 and 10,545 is: 15,818.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,247 : 57,375.36 = 10,545 : x
  2. Step 2: Convert to fraction form
    38,247/57,375.36 = 10,545/x
  3. Step 3: Cross multiply
    38,247x = 57,375.36 × 10,545
  4. Step 4: Simplify right side
    38,247x = 605,023,171.20
  5. Step 5: Solve for x
    x = 605,023,171.20/38,247
  6. Step 6: Final answer
    x = 15,818.84

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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.