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Finding the Fourth Proportional to 72,833.88, 109,251.54 and 22,912.86

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Solution

The fourth proportional to 72,833.88, 109,251.54 and 22,912.86 is: 34,369.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,833.88 : 109,251.54 = 22,912.86 : x
  2. Step 2: Convert to fraction form
    72,833.88/109,251.54 = 22,912.86/x
  3. Step 3: Cross multiply
    72,833.88x = 109,251.54 × 22,912.86
  4. Step 4: Simplify right side
    72,833.88x = 2,503,265,240.80
  5. Step 5: Solve for x
    x = 2,503,265,240.80/72,833.88
  6. Step 6: Final answer
    x = 34,369.52

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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.