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Finding the Fourth Proportional to 37,200.20, 55,794.90 and 10,902.20

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Solution

The fourth proportional to 37,200.20, 55,794.90 and 10,902.20 is: 16,351.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,200.20 : 55,794.90 = 10,902.20 : x
  2. Step 2: Convert to fraction form
    37,200.20/55,794.90 = 10,902.20/x
  3. Step 3: Cross multiply
    37,200.20x = 55,794.90 × 10,902.20
  4. Step 4: Simplify right side
    37,200.20x = 608,287,158.78
  5. Step 5: Solve for x
    x = 608,287,158.78/37,200.20
  6. Step 6: Final answer
    x = 16,351.72

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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.