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Finding the Fourth Proportional to 26,992.50, 37,249.65 and 15,814.50

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Solution

The fourth proportional to 26,992.50, 37,249.65 and 15,814.50 is: 21,824.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,992.50 : 37,249.65 = 15,814.50 : x
  2. Step 2: Convert to fraction form
    26,992.50/37,249.65 = 15,814.50/x
  3. Step 3: Cross multiply
    26,992.50x = 37,249.65 × 15,814.50
  4. Step 4: Simplify right side
    26,992.50x = 589,084,589.93
  5. Step 5: Solve for x
    x = 589,084,589.93/26,992.50
  6. Step 6: Final answer
    x = 21,824.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.