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Finding the Fourth Proportional to 31,793.76, 43,873.44 and 17,645.76

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Solution

The fourth proportional to 31,793.76, 43,873.44 and 17,645.76 is: 24,350.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,793.76 : 43,873.44 = 17,645.76 : x
  2. Step 2: Convert to fraction form
    31,793.76/43,873.44 = 17,645.76/x
  3. Step 3: Cross multiply
    31,793.76x = 43,873.44 × 17,645.76
  4. Step 4: Simplify right side
    31,793.76x = 774,180,192.61
  5. Step 5: Solve for x
    x = 774,180,192.61/31,793.76
  6. Step 6: Final answer
    x = 24,350.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.