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Finding the Fourth Proportional to 3,695.80, 5,540.06 and 2,375.86

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Solution

The fourth proportional to 3,695.80, 5,540.06 and 2,375.86 is: 3,561.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,695.80 : 5,540.06 = 2,375.86 : x
  2. Step 2: Convert to fraction form
    3,695.80/5,540.06 = 2,375.86/x
  3. Step 3: Cross multiply
    3,695.80x = 5,540.06 × 2,375.86
  4. Step 4: Simplify right side
    3,695.80x = 13,162,406.95
  5. Step 5: Solve for x
    x = 13,162,406.95/3,695.80
  6. Step 6: Final answer
    x = 3,561.45

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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.