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Finding the Fourth Proportional to 50,200.76, 75,288.50 and 20,626.76

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Solution

The fourth proportional to 50,200.76, 75,288.50 and 20,626.76 is: 30,934.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,200.76 : 75,288.50 = 20,626.76 : x
  2. Step 2: Convert to fraction form
    50,200.76/75,288.50 = 20,626.76/x
  3. Step 3: Cross multiply
    50,200.76x = 75,288.50 × 20,626.76
  4. Step 4: Simplify right side
    50,200.76x = 1,552,957,820.26
  5. Step 5: Solve for x
    x = 1,552,957,820.26/50,200.76
  6. Step 6: Final answer
    x = 30,934.95

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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.