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Finding the Fourth Proportional to 18,251.52, 27,357.22 and 7,156.14

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Solution

The fourth proportional to 18,251.52, 27,357.22 and 7,156.14 is: 10,726.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251.52 : 27,357.22 = 7,156.14 : x
  2. Step 2: Convert to fraction form
    18,251.52/27,357.22 = 7,156.14/x
  3. Step 3: Cross multiply
    18,251.52x = 27,357.22 × 7,156.14
  4. Step 4: Simplify right side
    18,251.52x = 195,772,096.33
  5. Step 5: Solve for x
    x = 195,772,096.33/18,251.52
  6. Step 6: Final answer
    x = 10,726.34

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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.