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Finding the Fourth Proportional to 8,937.70, 13,410.92 and 3,600.66

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Solution

The fourth proportional to 8,937.70, 13,410.92 and 3,600.66 is: 5,402.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.70 : 13,410.92 = 3,600.66 : x
  2. Step 2: Convert to fraction form
    8,937.70/13,410.92 = 3,600.66/x
  3. Step 3: Cross multiply
    8,937.70x = 13,410.92 × 3,600.66
  4. Step 4: Simplify right side
    8,937.70x = 48,288,129.85
  5. Step 5: Solve for x
    x = 48,288,129.85/8,937.70
  6. Step 6: Final answer
    x = 5,402.75

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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.