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Finding the Fourth Proportional to 24,279.93, 36,389.64 and 8,680.41

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Solution

The fourth proportional to 24,279.93, 36,389.64 and 8,680.41 is: 13,009.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,279.93 : 36,389.64 = 8,680.41 : x
  2. Step 2: Convert to fraction form
    24,279.93/36,389.64 = 8,680.41/x
  3. Step 3: Cross multiply
    24,279.93x = 36,389.64 × 8,680.41
  4. Step 4: Simplify right side
    24,279.93x = 315,876,994.95
  5. Step 5: Solve for x
    x = 315,876,994.95/24,279.93
  6. Step 6: Final answer
    x = 13,009.80

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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.