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Finding the Fourth Proportional to 6,683.68, 10,032.92 and 6,516.12

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Solution

The fourth proportional to 6,683.68, 10,032.92 and 6,516.12 is: 9,781.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,683.68 : 10,032.92 = 6,516.12 : x
  2. Step 2: Convert to fraction form
    6,683.68/10,032.92 = 6,516.12/x
  3. Step 3: Cross multiply
    6,683.68x = 10,032.92 × 6,516.12
  4. Step 4: Simplify right side
    6,683.68x = 65,375,710.67
  5. Step 5: Solve for x
    x = 65,375,710.67/6,683.68
  6. Step 6: Final answer
    x = 9,781.39

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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.