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Finding the Fourth Proportional to 26,551.44, 39,822.52 and 8,079.12

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Solution

The fourth proportional to 26,551.44, 39,822.52 and 8,079.12 is: 12,117.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,551.44 : 39,822.52 = 8,079.12 : x
  2. Step 2: Convert to fraction form
    26,551.44/39,822.52 = 8,079.12/x
  3. Step 3: Cross multiply
    26,551.44x = 39,822.52 × 8,079.12
  4. Step 4: Simplify right side
    26,551.44x = 321,730,917.78
  5. Step 5: Solve for x
    x = 321,730,917.78/26,551.44
  6. Step 6: Final answer
    x = 12,117.27

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1.5x scale

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.