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Finding the Fourth Proportional to 5,847.92, 8,772.52 and 2,151.92

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Solution

The fourth proportional to 5,847.92, 8,772.52 and 2,151.92 is: 3,228.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,847.92 : 8,772.52 = 2,151.92 : x
  2. Step 2: Convert to fraction form
    5,847.92/8,772.52 = 2,151.92/x
  3. Step 3: Cross multiply
    5,847.92x = 8,772.52 × 2,151.92
  4. Step 4: Simplify right side
    5,847.92x = 18,877,761.24
  5. Step 5: Solve for x
    x = 18,877,761.24/5,847.92
  6. Step 6: Final answer
    x = 3,228.12

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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.