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Finding the Fourth Proportional to 15,366.31, 23,055 and 5,372.53

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Solution

The fourth proportional to 15,366.31, 23,055 and 5,372.53 is: 8,060.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,366.31 : 23,055 = 5,372.53 : x
  2. Step 2: Convert to fraction form
    15,366.31/23,055 = 5,372.53/x
  3. Step 3: Cross multiply
    15,366.31x = 23,055 × 5,372.53
  4. Step 4: Simplify right side
    15,366.31x = 123,863,679.15
  5. Step 5: Solve for x
    x = 123,863,679.15/15,366.31
  6. Step 6: Final answer
    x = 8,060.73

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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.