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Finding the Fourth Proportional to 55,912.60, 83,868.90 and 33,794.20

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Solution

The fourth proportional to 55,912.60, 83,868.90 and 33,794.20 is: 50,691.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,912.60 : 83,868.90 = 33,794.20 : x
  2. Step 2: Convert to fraction form
    55,912.60/83,868.90 = 33,794.20/x
  3. Step 3: Cross multiply
    55,912.60x = 83,868.90 × 33,794.20
  4. Step 4: Simplify right side
    55,912.60x = 2,834,282,380.38
  5. Step 5: Solve for x
    x = 2,834,282,380.38/55,912.60
  6. Step 6: Final answer
    x = 50,691.30

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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.