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Finding the Fourth Proportional to 23,239.76, 34,867.53 and 8,449.86

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Solution

The fourth proportional to 23,239.76, 34,867.53 and 8,449.86 is: 12,677.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,239.76 : 34,867.53 = 8,449.86 : x
  2. Step 2: Convert to fraction form
    23,239.76/34,867.53 = 8,449.86/x
  3. Step 3: Cross multiply
    23,239.76x = 34,867.53 × 8,449.86
  4. Step 4: Simplify right side
    23,239.76x = 294,625,747.05
  5. Step 5: Solve for x
    x = 294,625,747.05/23,239.76
  6. Step 6: Final answer
    x = 12,677.66

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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.