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Finding the Fourth Proportional to 5,917.92, 8,160.96 and 5,488.44

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Solution

The fourth proportional to 5,917.92, 8,160.96 and 5,488.44 is: 7,568.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917.92 : 8,160.96 = 5,488.44 : x
  2. Step 2: Convert to fraction form
    5,917.92/8,160.96 = 5,488.44/x
  3. Step 3: Cross multiply
    5,917.92x = 8,160.96 × 5,488.44
  4. Step 4: Simplify right side
    5,917.92x = 44,790,939.30
  5. Step 5: Solve for x
    x = 44,790,939.30/5,917.92
  6. Step 6: Final answer
    x = 7,568.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.