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Finding the Fourth Proportional to 2,314.59, 3,471.88 and 671.13

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Solution

The fourth proportional to 2,314.59, 3,471.88 and 671.13 is: 1,006.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,314.59 : 3,471.88 = 671.13 : x
  2. Step 2: Convert to fraction form
    2,314.59/3,471.88 = 671.13/x
  3. Step 3: Cross multiply
    2,314.59x = 3,471.88 × 671.13
  4. Step 4: Simplify right side
    2,314.59x = 2,330,082.82
  5. Step 5: Solve for x
    x = 2,330,082.82/2,314.59
  6. Step 6: Final answer
    x = 1,006.69

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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.