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Finding the Fourth Proportional to 22,458.62, 33,691.31 and 7,256.12

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Solution

The fourth proportional to 22,458.62, 33,691.31 and 7,256.12 is: 10,885.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,458.62 : 33,691.31 = 7,256.12 : x
  2. Step 2: Convert to fraction form
    22,458.62/33,691.31 = 7,256.12/x
  3. Step 3: Cross multiply
    22,458.62x = 33,691.31 × 7,256.12
  4. Step 4: Simplify right side
    22,458.62x = 244,467,983.58
  5. Step 5: Solve for x
    x = 244,467,983.58/22,458.62
  6. Step 6: Final answer
    x = 10,885.26

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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.