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Finding the Fourth Proportional to 18,064.77, 27,097.07 and 4,917.11

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Solution

The fourth proportional to 18,064.77, 27,097.07 and 4,917.11 is: 7,375.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,064.77 : 27,097.07 = 4,917.11 : x
  2. Step 2: Convert to fraction form
    18,064.77/27,097.07 = 4,917.11/x
  3. Step 3: Cross multiply
    18,064.77x = 27,097.07 × 4,917.11
  4. Step 4: Simplify right side
    18,064.77x = 133,239,138.38
  5. Step 5: Solve for x
    x = 133,239,138.38/18,064.77
  6. Step 6: Final answer
    x = 7,375.63

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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.