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Finding the Fourth Proportional to 18,552.84, 27,796.86 and 15,452.78

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Solution

The fourth proportional to 18,552.84, 27,796.86 and 15,452.78 is: 23,152.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,552.84 : 27,796.86 = 15,452.78 : x
  2. Step 2: Convert to fraction form
    18,552.84/27,796.86 = 15,452.78/x
  3. Step 3: Cross multiply
    18,552.84x = 27,796.86 × 15,452.78
  4. Step 4: Simplify right side
    18,552.84x = 429,538,762.27
  5. Step 5: Solve for x
    x = 429,538,762.27/18,552.84
  6. Step 6: Final answer
    x = 23,152.18

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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.