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Finding the Fourth Proportional to 50,264.80, 75,394.80 and 16,981.60

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Solution

The fourth proportional to 50,264.80, 75,394.80 and 16,981.60 is: 25,471.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,264.80 : 75,394.80 = 16,981.60 : x
  2. Step 2: Convert to fraction form
    50,264.80/75,394.80 = 16,981.60/x
  3. Step 3: Cross multiply
    50,264.80x = 75,394.80 × 16,981.60
  4. Step 4: Simplify right side
    50,264.80x = 1,280,324,335.68
  5. Step 5: Solve for x
    x = 1,280,324,335.68/50,264.80
  6. Step 6: Final answer
    x = 25,471.59

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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.