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Finding the Fourth Proportional to 37,865.20, 56,797.80 and 10,163.20

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Solution

The fourth proportional to 37,865.20, 56,797.80 and 10,163.20 is: 15,244.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,865.20 : 56,797.80 = 10,163.20 : x
  2. Step 2: Convert to fraction form
    37,865.20/56,797.80 = 10,163.20/x
  3. Step 3: Cross multiply
    37,865.20x = 56,797.80 × 10,163.20
  4. Step 4: Simplify right side
    37,865.20x = 577,247,542.95
  5. Step 5: Solve for x
    x = 577,247,542.95/37,865.20
  6. Step 6: Final answer
    x = 15,244.80

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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.