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Finding the Fourth Proportional to 17,811.48, 26,713.56 and 11,250.48

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Solution

The fourth proportional to 17,811.48, 26,713.56 and 11,250.48 is: 16,873.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,811.48 : 26,713.56 = 11,250.48 : x
  2. Step 2: Convert to fraction form
    17,811.48/26,713.56 = 11,250.48/x
  3. Step 3: Cross multiply
    17,811.48x = 26,713.56 × 11,250.48
  4. Step 4: Simplify right side
    17,811.48x = 300,540,372.51
  5. Step 5: Solve for x
    x = 300,540,372.51/17,811.48
  6. Step 6: Final answer
    x = 16,873.41

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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.