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Finding the Fourth Proportional to 6,613.32, 9,920.02 and 2,230.82

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Solution

The fourth proportional to 6,613.32, 9,920.02 and 2,230.82 is: 3,346.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613.32 : 9,920.02 = 2,230.82 : x
  2. Step 2: Convert to fraction form
    6,613.32/9,920.02 = 2,230.82/x
  3. Step 3: Cross multiply
    6,613.32x = 9,920.02 × 2,230.82
  4. Step 4: Simplify right side
    6,613.32x = 22,129,779.02
  5. Step 5: Solve for x
    x = 22,129,779.02/6,613.32
  6. Step 6: Final answer
    x = 3,346.24

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.