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Finding the Fourth Proportional to 18,634.52, 27,952.65 and 6,155.66

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Solution

The fourth proportional to 18,634.52, 27,952.65 and 6,155.66 is: 9,233.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,634.52 : 27,952.65 = 6,155.66 : x
  2. Step 2: Convert to fraction form
    18,634.52/27,952.65 = 6,155.66/x
  3. Step 3: Cross multiply
    18,634.52x = 27,952.65 × 6,155.66
  4. Step 4: Simplify right side
    18,634.52x = 172,066,869.74
  5. Step 5: Solve for x
    x = 172,066,869.74/18,634.52
  6. Step 6: Final answer
    x = 9,233.77

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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.