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Finding the Fourth Proportional to 5,913.68, 8,856.39 and 4,160.48

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Solution

The fourth proportional to 5,913.68, 8,856.39 and 4,160.48 is: 6,230.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.68 : 8,856.39 = 4,160.48 : x
  2. Step 2: Convert to fraction form
    5,913.68/8,856.39 = 4,160.48/x
  3. Step 3: Cross multiply
    5,913.68x = 8,856.39 × 4,160.48
  4. Step 4: Simplify right side
    5,913.68x = 36,846,833.47
  5. Step 5: Solve for x
    x = 36,846,833.47/5,913.68
  6. Step 6: Final answer
    x = 6,230.78

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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.