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Finding the Fourth Proportional to 6,407.91, 8,842.67 and 3,575.14

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Solution

The fourth proportional to 6,407.91, 8,842.67 and 3,575.14 is: 4,933.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,407.91 : 8,842.67 = 3,575.14 : x
  2. Step 2: Convert to fraction form
    6,407.91/8,842.67 = 3,575.14/x
  3. Step 3: Cross multiply
    6,407.91x = 8,842.67 × 3,575.14
  4. Step 4: Simplify right side
    6,407.91x = 31,613,756.65
  5. Step 5: Solve for x
    x = 31,613,756.65/6,407.91
  6. Step 6: Final answer
    x = 4,933.55

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