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Finding the Fourth Proportional to 22,645.72, 33,955.50 and 8,778.52

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Solution

The fourth proportional to 22,645.72, 33,955.50 and 8,778.52 is: 13,162.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,645.72 : 33,955.50 = 8,778.52 : x
  2. Step 2: Convert to fraction form
    22,645.72/33,955.50 = 8,778.52/x
  3. Step 3: Cross multiply
    22,645.72x = 33,955.50 × 8,778.52
  4. Step 4: Simplify right side
    22,645.72x = 298,079,035.86
  5. Step 5: Solve for x
    x = 298,079,035.86/22,645.72
  6. Step 6: Final answer
    x = 13,162.71

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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.