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Finding the Fourth Proportional to 7,234.68, 9,983.55 and 4,250.85

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Solution

The fourth proportional to 7,234.68, 9,983.55 and 4,250.85 is: 5,865.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,234.68 : 9,983.55 = 4,250.85 : x
  2. Step 2: Convert to fraction form
    7,234.68/9,983.55 = 4,250.85/x
  3. Step 3: Cross multiply
    7,234.68x = 9,983.55 × 4,250.85
  4. Step 4: Simplify right side
    7,234.68x = 42,438,552.02
  5. Step 5: Solve for x
    x = 42,438,552.02/7,234.68
  6. Step 6: Final answer
    x = 5,865.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.