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Finding the Fourth Proportional to 5,467.92, 7,545.78 and 2,983.92

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Solution

The fourth proportional to 5,467.92, 7,545.78 and 2,983.92 is: 4,117.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,467.92 : 7,545.78 = 2,983.92 : x
  2. Step 2: Convert to fraction form
    5,467.92/7,545.78 = 2,983.92/x
  3. Step 3: Cross multiply
    5,467.92x = 7,545.78 × 2,983.92
  4. Step 4: Simplify right side
    5,467.92x = 22,516,003.86
  5. Step 5: Solve for x
    x = 22,516,003.86/5,467.92
  6. Step 6: Final answer
    x = 4,117.84

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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.