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Finding the Fourth Proportional to 24,919.70, 34,388.77 and 13,589.22

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Solution

The fourth proportional to 24,919.70, 34,388.77 and 13,589.22 is: 18,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,919.70 : 34,388.77 = 13,589.22 : x
  2. Step 2: Convert to fraction form
    24,919.70/34,388.77 = 13,589.22/x
  3. Step 3: Cross multiply
    24,919.70x = 34,388.77 × 13,589.22
  4. Step 4: Simplify right side
    24,919.70x = 467,316,561.06
  5. Step 5: Solve for x
    x = 467,316,561.06/24,919.70
  6. Step 6: Final answer
    x = 18,752.90

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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.