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Finding the Fourth Proportional to 8,437.52, 12,642.42 and 5,960.22

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Solution

The fourth proportional to 8,437.52, 12,642.42 and 5,960.22 is: 8,930.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.52 : 12,642.42 = 5,960.22 : x
  2. Step 2: Convert to fraction form
    8,437.52/12,642.42 = 5,960.22/x
  3. Step 3: Cross multiply
    8,437.52x = 12,642.42 × 5,960.22
  4. Step 4: Simplify right side
    8,437.52x = 75,351,604.53
  5. Step 5: Solve for x
    x = 75,351,604.53/8,437.52
  6. Step 6: Final answer
    x = 8,930.54

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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.