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Finding the Fourth Proportional to 8,683.68, 13,046.28 and 5,569.77

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Solution

The fourth proportional to 8,683.68, 13,046.28 and 5,569.77 is: 8,367.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,683.68 : 13,046.28 = 5,569.77 : x
  2. Step 2: Convert to fraction form
    8,683.68/13,046.28 = 5,569.77/x
  3. Step 3: Cross multiply
    8,683.68x = 13,046.28 × 5,569.77
  4. Step 4: Simplify right side
    8,683.68x = 72,664,778.96
  5. Step 5: Solve for x
    x = 72,664,778.96/8,683.68
  6. Step 6: Final answer
    x = 8,367.97

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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.