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Finding the Fourth Proportional to 26,993.88, 37,249.86 and 15,057.98

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Solution

The fourth proportional to 26,993.88, 37,249.86 and 15,057.98 is: 20,779.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,993.88 : 37,249.86 = 15,057.98 : x
  2. Step 2: Convert to fraction form
    26,993.88/37,249.86 = 15,057.98/x
  3. Step 3: Cross multiply
    26,993.88x = 37,249.86 × 15,057.98
  4. Step 4: Simplify right side
    26,993.88x = 560,907,646.88
  5. Step 5: Solve for x
    x = 560,907,646.88/26,993.88
  6. Step 6: Final answer
    x = 20,779.07

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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.