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Finding the Fourth Proportional to 18,097.65, 27,151.20 and 7,004.70

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Solution

The fourth proportional to 18,097.65, 27,151.20 and 7,004.70 is: 10,508.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,097.65 : 27,151.20 = 7,004.70 : x
  2. Step 2: Convert to fraction form
    18,097.65/27,151.20 = 7,004.70/x
  3. Step 3: Cross multiply
    18,097.65x = 27,151.20 × 7,004.70
  4. Step 4: Simplify right side
    18,097.65x = 190,186,010.64
  5. Step 5: Solve for x
    x = 190,186,010.64/18,097.65
  6. Step 6: Final answer
    x = 10,508.88

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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.