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Finding the Fourth Proportional to 26,648.93, 39,977.35 and 8,873.79

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Solution

The fourth proportional to 26,648.93, 39,977.35 and 8,873.79 is: 13,311.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,648.93 : 39,977.35 = 8,873.79 : x
  2. Step 2: Convert to fraction form
    26,648.93/39,977.35 = 8,873.79/x
  3. Step 3: Cross multiply
    26,648.93x = 39,977.35 × 8,873.79
  4. Step 4: Simplify right side
    26,648.93x = 354,750,436.56
  5. Step 5: Solve for x
    x = 354,750,436.56/26,648.93
  6. Step 6: Final answer
    x = 13,311.99

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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.