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Finding the Fourth Proportional to 2,397.62, 3,593.16 and 1,812.14

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Solution

The fourth proportional to 2,397.62, 3,593.16 and 1,812.14 is: 2,715.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,397.62 : 3,593.16 = 1,812.14 : x
  2. Step 2: Convert to fraction form
    2,397.62/3,593.16 = 1,812.14/x
  3. Step 3: Cross multiply
    2,397.62x = 3,593.16 × 1,812.14
  4. Step 4: Simplify right side
    2,397.62x = 6,511,317.95
  5. Step 5: Solve for x
    x = 6,511,317.95/2,397.62
  6. Step 6: Final answer
    x = 2,715.74

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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.