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Finding the Fourth Proportional to 34,947.84, 48,229.92 and 20,043.84

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Solution

The fourth proportional to 34,947.84, 48,229.92 and 20,043.84 is: 27,661.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,947.84 : 48,229.92 = 20,043.84 : x
  2. Step 2: Convert to fraction form
    34,947.84/48,229.92 = 20,043.84/x
  3. Step 3: Cross multiply
    34,947.84x = 48,229.92 × 20,043.84
  4. Step 4: Simplify right side
    34,947.84x = 966,712,799.69
  5. Step 5: Solve for x
    x = 966,712,799.69/34,947.84
  6. Step 6: Final answer
    x = 27,661.59

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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.