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Finding the Fourth Proportional to 1,545.53, 2,314.04 and 996.35

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Solution

The fourth proportional to 1,545.53, 2,314.04 and 996.35 is: 1,491.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.53 : 2,314.04 = 996.35 : x
  2. Step 2: Convert to fraction form
    1,545.53/2,314.04 = 996.35/x
  3. Step 3: Cross multiply
    1,545.53x = 2,314.04 × 996.35
  4. Step 4: Simplify right side
    1,545.53x = 2,305,577.20
  5. Step 5: Solve for x
    x = 2,305,577.20/1,545.53
  6. Step 6: Final answer
    x = 1,491.78

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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.