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Finding the Fourth Proportional to 18,591.84, 27,897.99 and 8,061.94

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Solution

The fourth proportional to 18,591.84, 27,897.99 and 8,061.94 is: 12,097.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591.84 : 27,897.99 = 8,061.94 : x
  2. Step 2: Convert to fraction form
    18,591.84/27,897.99 = 8,061.94/x
  3. Step 3: Cross multiply
    18,591.84x = 27,897.99 × 8,061.94
  4. Step 4: Simplify right side
    18,591.84x = 224,911,921.50
  5. Step 5: Solve for x
    x = 224,911,921.50/18,591.84
  6. Step 6: Final answer
    x = 12,097.35

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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.