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Finding the Fourth Proportional to 6,862.68, 10,293.96 and 1,668.56

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Solution

The fourth proportional to 6,862.68, 10,293.96 and 1,668.56 is: 2,502.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,862.68 : 10,293.96 = 1,668.56 : x
  2. Step 2: Convert to fraction form
    6,862.68/10,293.96 = 1,668.56/x
  3. Step 3: Cross multiply
    6,862.68x = 10,293.96 × 1,668.56
  4. Step 4: Simplify right side
    6,862.68x = 17,176,089.90
  5. Step 5: Solve for x
    x = 17,176,089.90/6,862.68
  6. Step 6: Final answer
    x = 2,502.83

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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.