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Finding the Fourth Proportional to 17,597.78, 26,396.65 and 5,919.20

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Solution

The fourth proportional to 17,597.78, 26,396.65 and 5,919.20 is: 8,878.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,597.78 : 26,396.65 = 5,919.20 : x
  2. Step 2: Convert to fraction form
    17,597.78/26,396.65 = 5,919.20/x
  3. Step 3: Cross multiply
    17,597.78x = 26,396.65 × 5,919.20
  4. Step 4: Simplify right side
    17,597.78x = 156,247,050.68
  5. Step 5: Solve for x
    x = 156,247,050.68/17,597.78
  6. Step 6: Final answer
    x = 8,878.79

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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.