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Finding the Fourth Proportional to 24,078.97, 36,109.47 and 8,279.53

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Solution

The fourth proportional to 24,078.97, 36,109.47 and 8,279.53 is: 12,416.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,078.97 : 36,109.47 = 8,279.53 : x
  2. Step 2: Convert to fraction form
    24,078.97/36,109.47 = 8,279.53/x
  3. Step 3: Cross multiply
    24,078.97x = 36,109.47 × 8,279.53
  4. Step 4: Simplify right side
    24,078.97x = 298,969,440.15
  5. Step 5: Solve for x
    x = 298,969,440.15/24,078.97
  6. Step 6: Final answer
    x = 12,416.21

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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.