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Finding the Fourth Proportional to 7,251.77, 10,008.15 and 4,065.61

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Solution

The fourth proportional to 7,251.77, 10,008.15 and 4,065.61 is: 5,610.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251.77 : 10,008.15 = 4,065.61 : x
  2. Step 2: Convert to fraction form
    7,251.77/10,008.15 = 4,065.61/x
  3. Step 3: Cross multiply
    7,251.77x = 10,008.15 × 4,065.61
  4. Step 4: Simplify right side
    7,251.77x = 40,689,234.72
  5. Step 5: Solve for x
    x = 40,689,234.72/7,251.77
  6. Step 6: Final answer
    x = 5,610.94

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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.