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Finding the Fourth Proportional to 3,598.92, 5,402.82 and 3,432.66

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Solution

The fourth proportional to 3,598.92, 5,402.82 and 3,432.66 is: 5,153.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,598.92 : 5,402.82 = 3,432.66 : x
  2. Step 2: Convert to fraction form
    3,598.92/5,402.82 = 3,432.66/x
  3. Step 3: Cross multiply
    3,598.92x = 5,402.82 × 3,432.66
  4. Step 4: Simplify right side
    3,598.92x = 18,546,044.10
  5. Step 5: Solve for x
    x = 18,546,044.10/3,598.92
  6. Step 6: Final answer
    x = 5,153.22

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1.5x scale

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.