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Finding the Fourth Proportional to 84,680.88, 127,021.32 and 22,356.24

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Solution

The fourth proportional to 84,680.88, 127,021.32 and 22,356.24 is: 33,534.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,680.88 : 127,021.32 = 22,356.24 : x
  2. Step 2: Convert to fraction form
    84,680.88/127,021.32 = 22,356.24/x
  3. Step 3: Cross multiply
    84,680.88x = 127,021.32 × 22,356.24
  4. Step 4: Simplify right side
    84,680.88x = 2,839,719,115.04
  5. Step 5: Solve for x
    x = 2,839,719,115.04/84,680.88
  6. Step 6: Final answer
    x = 33,534.36

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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.