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Finding the Fourth Proportional to 5,881.92, 8,821.08 and 1,722.24

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Solution

The fourth proportional to 5,881.92, 8,821.08 and 1,722.24 is: 2,582.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,881.92 : 8,821.08 = 1,722.24 : x
  2. Step 2: Convert to fraction form
    5,881.92/8,821.08 = 1,722.24/x
  3. Step 3: Cross multiply
    5,881.92x = 8,821.08 × 1,722.24
  4. Step 4: Simplify right side
    5,881.92x = 15,192,016.82
  5. Step 5: Solve for x
    x = 15,192,016.82/5,881.92
  6. Step 6: Final answer
    x = 2,582.83

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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.