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Finding the Fourth Proportional to 22,651.92, 33,977.88 and 7,864.56

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Solution

The fourth proportional to 22,651.92, 33,977.88 and 7,864.56 is: 11,796.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,651.92 : 33,977.88 = 7,864.56 : x
  2. Step 2: Convert to fraction form
    22,651.92/33,977.88 = 7,864.56/x
  3. Step 3: Cross multiply
    22,651.92x = 33,977.88 × 7,864.56
  4. Step 4: Simplify right side
    22,651.92x = 267,221,075.93
  5. Step 5: Solve for x
    x = 267,221,075.93/22,651.92
  6. Step 6: Final answer
    x = 11,796.84

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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.