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Finding the Fourth Proportional to 47,480.80, 71,256.20 and 22,520.76

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Solution

The fourth proportional to 47,480.80, 71,256.20 and 22,520.76 is: 33,797.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,480.80 : 71,256.20 = 22,520.76 : x
  2. Step 2: Convert to fraction form
    47,480.80/71,256.20 = 22,520.76/x
  3. Step 3: Cross multiply
    47,480.80x = 71,256.20 × 22,520.76
  4. Step 4: Simplify right side
    47,480.80x = 1,604,743,778.71
  5. Step 5: Solve for x
    x = 1,604,743,778.71/47,480.80
  6. Step 6: Final answer
    x = 33,797.74

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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.