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Finding the Fourth Proportional to 18,592.47, 27,902.25 and 8,738.55

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Solution

The fourth proportional to 18,592.47, 27,902.25 and 8,738.55 is: 13,114.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,592.47 : 27,902.25 = 8,738.55 : x
  2. Step 2: Convert to fraction form
    18,592.47/27,902.25 = 8,738.55/x
  3. Step 3: Cross multiply
    18,592.47x = 27,902.25 × 8,738.55
  4. Step 4: Simplify right side
    18,592.47x = 243,825,206.74
  5. Step 5: Solve for x
    x = 243,825,206.74/18,592.47
  6. Step 6: Final answer
    x = 13,114.19

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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.