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Finding the Fourth Proportional to 33,963.20, 50,949.60 and 10,587.20

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Solution

The fourth proportional to 33,963.20, 50,949.60 and 10,587.20 is: 15,882.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,963.20 : 50,949.60 = 10,587.20 : x
  2. Step 2: Convert to fraction form
    33,963.20/50,949.60 = 10,587.20/x
  3. Step 3: Cross multiply
    33,963.20x = 50,949.60 × 10,587.20
  4. Step 4: Simplify right side
    33,963.20x = 539,413,605.12
  5. Step 5: Solve for x
    x = 539,413,605.12/33,963.20
  6. Step 6: Final answer
    x = 15,882.30

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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.