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Finding the Fourth Proportional to 26,993.76, 37,249.79 and 15,662.39

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Solution

The fourth proportional to 26,993.76, 37,249.79 and 15,662.39 is: 21,613.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,993.76 : 37,249.79 = 15,662.39 : x
  2. Step 2: Convert to fraction form
    26,993.76/37,249.79 = 15,662.39/x
  3. Step 3: Cross multiply
    26,993.76x = 37,249.79 × 15,662.39
  4. Step 4: Simplify right side
    26,993.76x = 583,420,473.84
  5. Step 5: Solve for x
    x = 583,420,473.84/26,993.76
  6. Step 6: Final answer
    x = 21,613.16

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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.