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Finding the Fourth Proportional to 17,722.62, 26,582.31 and 5,410.62

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Solution

The fourth proportional to 17,722.62, 26,582.31 and 5,410.62 is: 8,115.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,722.62 : 26,582.31 = 5,410.62 : x
  2. Step 2: Convert to fraction form
    17,722.62/26,582.31 = 5,410.62/x
  3. Step 3: Cross multiply
    17,722.62x = 26,582.31 × 5,410.62
  4. Step 4: Simplify right side
    17,722.62x = 143,826,778.13
  5. Step 5: Solve for x
    x = 143,826,778.13/17,722.62
  6. Step 6: Final answer
    x = 8,115.44

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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.