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Finding the Fourth Proportional to 18,552.47, 27,796.31 and 15,452.40

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Solution

The fourth proportional to 18,552.47, 27,796.31 and 15,452.40 is: 23,151.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,552.47 : 27,796.31 = 15,452.40 : x
  2. Step 2: Convert to fraction form
    18,552.47/27,796.31 = 15,452.40/x
  3. Step 3: Cross multiply
    18,552.47x = 27,796.31 × 15,452.40
  4. Step 4: Simplify right side
    18,552.47x = 429,519,623.38
  5. Step 5: Solve for x
    x = 429,519,623.38/18,552.47
  6. Step 6: Final answer
    x = 23,151.61

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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.