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Finding the Fourth Proportional to 2,914.67, 4,393.97 and 2,726.75

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Solution

The fourth proportional to 2,914.67, 4,393.97 and 2,726.75 is: 4,110.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.67 : 4,393.97 = 2,726.75 : x
  2. Step 2: Convert to fraction form
    2,914.67/4,393.97 = 2,726.75/x
  3. Step 3: Cross multiply
    2,914.67x = 4,393.97 × 2,726.75
  4. Step 4: Simplify right side
    2,914.67x = 11,981,222.09
  5. Step 5: Solve for x
    x = 11,981,222.09/2,914.67
  6. Step 6: Final answer
    x = 4,110.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.