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Finding the Fourth Proportional to 27,187.68, 40,773.69 and 7,466.88

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Solution

The fourth proportional to 27,187.68, 40,773.69 and 7,466.88 is: 11,198.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,187.68 : 40,773.69 = 7,466.88 : x
  2. Step 2: Convert to fraction form
    27,187.68/40,773.69 = 7,466.88/x
  3. Step 3: Cross multiply
    27,187.68x = 40,773.69 × 7,466.88
  4. Step 4: Simplify right side
    27,187.68x = 304,452,250.39
  5. Step 5: Solve for x
    x = 304,452,250.39/27,187.68
  6. Step 6: Final answer
    x = 11,198.17

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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.