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Finding the Fourth Proportional to 6,613.11, 9,922.10 and 4,766.31

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Solution

The fourth proportional to 6,613.11, 9,922.10 and 4,766.31 is: 7,151.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613.11 : 9,922.10 = 4,766.31 : x
  2. Step 2: Convert to fraction form
    6,613.11/9,922.10 = 4,766.31/x
  3. Step 3: Cross multiply
    6,613.11x = 9,922.10 × 4,766.31
  4. Step 4: Simplify right side
    6,613.11x = 47,291,780.62
  5. Step 5: Solve for x
    x = 47,291,780.62/6,613.11
  6. Step 6: Final answer
    x = 7,151.22

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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.