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Finding the Fourth Proportional to 22,264.80, 33,387.42 and 6,678.78

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Solution

The fourth proportional to 22,264.80, 33,387.42 and 6,678.78 is: 10,015.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,264.80 : 33,387.42 = 6,678.78 : x
  2. Step 2: Convert to fraction form
    22,264.80/33,387.42 = 6,678.78/x
  3. Step 3: Cross multiply
    22,264.80x = 33,387.42 × 6,678.78
  4. Step 4: Simplify right side
    22,264.80x = 222,987,232.95
  5. Step 5: Solve for x
    x = 222,987,232.95/22,264.80
  6. Step 6: Final answer
    x = 10,015.24

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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.