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Finding the Fourth Proportional to 22,610.80, 33,935.40 and 18,233.20

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Solution

The fourth proportional to 22,610.80, 33,935.40 and 18,233.20 is: 27,365.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,610.80 : 33,935.40 = 18,233.20 : x
  2. Step 2: Convert to fraction form
    22,610.80/33,935.40 = 18,233.20/x
  3. Step 3: Cross multiply
    22,610.80x = 33,935.40 × 18,233.20
  4. Step 4: Simplify right side
    22,610.80x = 618,750,935.28
  5. Step 5: Solve for x
    x = 618,750,935.28/22,610.80
  6. Step 6: Final answer
    x = 27,365.28

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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.