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Finding the Fourth Proportional to 24,919.81, 34,388.06 and 13,589.21

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Solution

The fourth proportional to 24,919.81, 34,388.06 and 13,589.21 is: 18,752.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,919.81 : 34,388.06 = 13,589.21 : x
  2. Step 2: Convert to fraction form
    24,919.81/34,388.06 = 13,589.21/x
  3. Step 3: Cross multiply
    24,919.81x = 34,388.06 × 13,589.21
  4. Step 4: Simplify right side
    24,919.81x = 467,306,586.86
  5. Step 5: Solve for x
    x = 467,306,586.86/24,919.81
  6. Step 6: Final answer
    x = 18,752.42

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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.