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Finding the Fourth Proportional to 24,279.43, 36,388.89 and 8,679.91

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Solution

The fourth proportional to 24,279.43, 36,388.89 and 8,679.91 is: 13,009.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,279.43 : 36,388.89 = 8,679.91 : x
  2. Step 2: Convert to fraction form
    24,279.43/36,388.89 = 8,679.91/x
  3. Step 3: Cross multiply
    24,279.43x = 36,388.89 × 8,679.91
  4. Step 4: Simplify right side
    24,279.43x = 315,852,290.20
  5. Step 5: Solve for x
    x = 315,852,290.20/24,279.43
  6. Step 6: Final answer
    x = 13,009.05

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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.