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Finding the Fourth Proportional to 3,132.90, 4,700.70 and 1,593.90

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Solution

The fourth proportional to 3,132.90, 4,700.70 and 1,593.90 is: 2,391.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.90 : 4,700.70 = 1,593.90 : x
  2. Step 2: Convert to fraction form
    3,132.90/4,700.70 = 1,593.90/x
  3. Step 3: Cross multiply
    3,132.90x = 4,700.70 × 1,593.90
  4. Step 4: Simplify right side
    3,132.90x = 7,492,445.73
  5. Step 5: Solve for x
    x = 7,492,445.73/3,132.90
  6. Step 6: Final answer
    x = 2,391.54

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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.