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Finding the Fourth Proportional to 17,956.31, 26,904.76 and 9,179.15

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Solution

The fourth proportional to 17,956.31, 26,904.76 and 9,179.15 is: 13,753.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,956.31 : 26,904.76 = 9,179.15 : x
  2. Step 2: Convert to fraction form
    17,956.31/26,904.76 = 9,179.15/x
  3. Step 3: Cross multiply
    17,956.31x = 26,904.76 × 9,179.15
  4. Step 4: Simplify right side
    17,956.31x = 246,962,670.28
  5. Step 5: Solve for x
    x = 246,962,670.28/17,956.31
  6. Step 6: Final answer
    x = 13,753.54

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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.