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Finding the Fourth Proportional to 2,375.91, 3,563.87 and 732.40

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Solution

The fourth proportional to 2,375.91, 3,563.87 and 732.40 is: 1,098.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,375.91 : 3,563.87 = 732.40 : x
  2. Step 2: Convert to fraction form
    2,375.91/3,563.87 = 732.40/x
  3. Step 3: Cross multiply
    2,375.91x = 3,563.87 × 732.40
  4. Step 4: Simplify right side
    2,375.91x = 2,610,178.39
  5. Step 5: Solve for x
    x = 2,610,178.39/2,375.91
  6. Step 6: Final answer
    x = 1,098.60

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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.