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Finding the Fourth Proportional to 6,452.20, 8,910.18 and 5,837.80

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Solution

The fourth proportional to 6,452.20, 8,910.18 and 5,837.80 is: 8,061.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,452.20 : 8,910.18 = 5,837.80 : x
  2. Step 2: Convert to fraction form
    6,452.20/8,910.18 = 5,837.80/x
  3. Step 3: Cross multiply
    6,452.20x = 8,910.18 × 5,837.80
  4. Step 4: Simplify right side
    6,452.20x = 52,015,848.80
  5. Step 5: Solve for x
    x = 52,015,848.80/6,452.20
  6. Step 6: Final answer
    x = 8,061.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.