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Finding the Fourth Proportional to 22,774.52, 33,935.37 and 20,290.25

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Solution

The fourth proportional to 22,774.52, 33,935.37 and 20,290.25 is: 30,233.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,774.52 : 33,935.37 = 20,290.25 : x
  2. Step 2: Convert to fraction form
    22,774.52/33,935.37 = 20,290.25/x
  3. Step 3: Cross multiply
    22,774.52x = 33,935.37 × 20,290.25
  4. Step 4: Simplify right side
    22,774.52x = 688,557,141.14
  5. Step 5: Solve for x
    x = 688,557,141.14/22,774.52
  6. Step 6: Final answer
    x = 30,233.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.