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Finding the Fourth Proportional to 83,649.46, 125,490.27 and 33,734.61

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Solution

The fourth proportional to 83,649.46, 125,490.27 and 33,734.61 is: 50,608.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,649.46 : 125,490.27 = 33,734.61 : x
  2. Step 2: Convert to fraction form
    83,649.46/125,490.27 = 33,734.61/x
  3. Step 3: Cross multiply
    83,649.46x = 125,490.27 × 33,734.61
  4. Step 4: Simplify right side
    83,649.46x = 4,233,365,317.24
  5. Step 5: Solve for x
    x = 4,233,365,317.24/83,649.46
  6. Step 6: Final answer
    x = 50,608.40

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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.