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Finding the Fourth Proportional to 18,097.62, 27,140.91 and 10,700.04

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Solution

The fourth proportional to 18,097.62, 27,140.91 and 10,700.04 is: 16,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,097.62 : 27,140.91 = 10,700.04 : x
  2. Step 2: Convert to fraction form
    18,097.62/27,140.91 = 10,700.04/x
  3. Step 3: Cross multiply
    18,097.62x = 27,140.91 × 10,700.04
  4. Step 4: Simplify right side
    18,097.62x = 290,408,822.64
  5. Step 5: Solve for x
    x = 290,408,822.64/18,097.62
  6. Step 6: Final answer
    x = 16,046.80

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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.