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Finding the Fourth Proportional to 26,894.30, 40,304.59 and 13,719.04

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Solution

The fourth proportional to 26,894.30, 40,304.59 and 13,719.04 is: 20,559.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,894.30 : 40,304.59 = 13,719.04 : x
  2. Step 2: Convert to fraction form
    26,894.30/40,304.59 = 13,719.04/x
  3. Step 3: Cross multiply
    26,894.30x = 40,304.59 × 13,719.04
  4. Step 4: Simplify right side
    26,894.30x = 552,940,147.33
  5. Step 5: Solve for x
    x = 552,940,147.33/26,894.30
  6. Step 6: Final answer
    x = 20,559.76

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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.