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Finding the Fourth Proportional to 37,716.79, 52,049.19 and 20,949.79

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Solution

The fourth proportional to 37,716.79, 52,049.19 and 20,949.79 is: 28,910.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,716.79 : 52,049.19 = 20,949.79 : x
  2. Step 2: Convert to fraction form
    37,716.79/52,049.19 = 20,949.79/x
  3. Step 3: Cross multiply
    37,716.79x = 52,049.19 × 20,949.79
  4. Step 4: Simplify right side
    37,716.79x = 1,090,419,600.17
  5. Step 5: Solve for x
    x = 1,090,419,600.17/37,716.79
  6. Step 6: Final answer
    x = 28,910.72

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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.