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Finding the Fourth Proportional to 27,101.39, 40,652.08 and 17,865.23

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Solution

The fourth proportional to 27,101.39, 40,652.08 and 17,865.23 is: 26,797.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,101.39 : 40,652.08 = 17,865.23 : x
  2. Step 2: Convert to fraction form
    27,101.39/40,652.08 = 17,865.23/x
  3. Step 3: Cross multiply
    27,101.39x = 40,652.08 × 17,865.23
  4. Step 4: Simplify right side
    27,101.39x = 726,258,606.73
  5. Step 5: Solve for x
    x = 726,258,606.73/27,101.39
  6. Step 6: Final answer
    x = 26,797.84

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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.