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Finding the Fourth Proportional to 37,251.80, 55,880.40 and 22,428.80

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Solution

The fourth proportional to 37,251.80, 55,880.40 and 22,428.80 is: 33,644.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,251.80 : 55,880.40 = 22,428.80 : x
  2. Step 2: Convert to fraction form
    37,251.80/55,880.40 = 22,428.80/x
  3. Step 3: Cross multiply
    37,251.80x = 55,880.40 × 22,428.80
  4. Step 4: Simplify right side
    37,251.80x = 1,253,330,315.52
  5. Step 5: Solve for x
    x = 1,253,330,315.52/37,251.80
  6. Step 6: Final answer
    x = 33,644.83

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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.