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Finding the Fourth Proportional to 4,049.46, 6,074.16 and 1,127.79

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Solution

The fourth proportional to 4,049.46, 6,074.16 and 1,127.79 is: 1,691.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,049.46 : 6,074.16 = 1,127.79 : x
  2. Step 2: Convert to fraction form
    4,049.46/6,074.16 = 1,127.79/x
  3. Step 3: Cross multiply
    4,049.46x = 6,074.16 × 1,127.79
  4. Step 4: Simplify right side
    4,049.46x = 6,850,376.91
  5. Step 5: Solve for x
    x = 6,850,376.91/4,049.46
  6. Step 6: Final answer
    x = 1,691.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.