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Finding the Fourth Proportional to 1,414.76, 1,953.34 and 1,082.61

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Solution

The fourth proportional to 1,414.76, 1,953.34 and 1,082.61 is: 1,494.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414.76 : 1,953.34 = 1,082.61 : x
  2. Step 2: Convert to fraction form
    1,414.76/1,953.34 = 1,082.61/x
  3. Step 3: Cross multiply
    1,414.76x = 1,953.34 × 1,082.61
  4. Step 4: Simplify right side
    1,414.76x = 2,114,705.42
  5. Step 5: Solve for x
    x = 2,114,705.42/1,414.76
  6. Step 6: Final answer
    x = 1,494.74

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