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Finding the Fourth Proportional to 27,308.39, 40,967.39 and 11,297.87

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Solution

The fourth proportional to 27,308.39, 40,967.39 and 11,297.87 is: 16,948.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,308.39 : 40,967.39 = 11,297.87 : x
  2. Step 2: Convert to fraction form
    27,308.39/40,967.39 = 11,297.87/x
  3. Step 3: Cross multiply
    27,308.39x = 40,967.39 × 11,297.87
  4. Step 4: Simplify right side
    27,308.39x = 462,844,246.46
  5. Step 5: Solve for x
    x = 462,844,246.46/27,308.39
  6. Step 6: Final answer
    x = 16,948.79

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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.