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Finding the Fourth Proportional to 26,492.92, 39,743.07 and 8,958.04

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Solution

The fourth proportional to 26,492.92, 39,743.07 and 8,958.04 is: 13,438.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,492.92 : 39,743.07 = 8,958.04 : x
  2. Step 2: Convert to fraction form
    26,492.92/39,743.07 = 8,958.04/x
  3. Step 3: Cross multiply
    26,492.92x = 39,743.07 × 8,958.04
  4. Step 4: Simplify right side
    26,492.92x = 356,020,010.78
  5. Step 5: Solve for x
    x = 356,020,010.78/26,492.92
  6. Step 6: Final answer
    x = 13,438.31

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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.