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Finding the Fourth Proportional to 26,554.72, 39,837.86 and 8,086.24

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Solution

The fourth proportional to 26,554.72, 39,837.86 and 8,086.24 is: 12,131.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,554.72 : 39,837.86 = 8,086.24 : x
  2. Step 2: Convert to fraction form
    26,554.72/39,837.86 = 8,086.24/x
  3. Step 3: Cross multiply
    26,554.72x = 39,837.86 × 8,086.24
  4. Step 4: Simplify right side
    26,554.72x = 322,138,497.05
  5. Step 5: Solve for x
    x = 322,138,497.05/26,554.72
  6. Step 6: Final answer
    x = 12,131.12

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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.