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Finding the Fourth Proportional to 5,082.76, 7,607.94 and 4,382.92

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Solution

The fourth proportional to 5,082.76, 7,607.94 and 4,382.92 is: 6,560.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.76 : 7,607.94 = 4,382.92 : x
  2. Step 2: Convert to fraction form
    5,082.76/7,607.94 = 4,382.92/x
  3. Step 3: Cross multiply
    5,082.76x = 7,607.94 × 4,382.92
  4. Step 4: Simplify right side
    5,082.76x = 33,344,992.38
  5. Step 5: Solve for x
    x = 33,344,992.38/5,082.76
  6. Step 6: Final answer
    x = 6,560.41

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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.