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Finding the Fourth Proportional to 22,515.52, 33,777.12 and 6,932.80

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Solution

The fourth proportional to 22,515.52, 33,777.12 and 6,932.80 is: 10,400.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,515.52 : 33,777.12 = 6,932.80 : x
  2. Step 2: Convert to fraction form
    22,515.52/33,777.12 = 6,932.80/x
  3. Step 3: Cross multiply
    22,515.52x = 33,777.12 × 6,932.80
  4. Step 4: Simplify right side
    22,515.52x = 234,170,017.54
  5. Step 5: Solve for x
    x = 234,170,017.54/22,515.52
  6. Step 6: Final answer
    x = 10,400.38

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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.