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Finding the Fourth Proportional to 2,353.68, 3,531.04 and 1,487.04

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Solution

The fourth proportional to 2,353.68, 3,531.04 and 1,487.04 is: 2,230.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353.68 : 3,531.04 = 1,487.04 : x
  2. Step 2: Convert to fraction form
    2,353.68/3,531.04 = 1,487.04/x
  3. Step 3: Cross multiply
    2,353.68x = 3,531.04 × 1,487.04
  4. Step 4: Simplify right side
    2,353.68x = 5,250,797.72
  5. Step 5: Solve for x
    x = 5,250,797.72/2,353.68
  6. Step 6: Final answer
    x = 2,230.89

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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.