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Finding the Fourth Proportional to 2,471.58, 3,408.03 and 1,842.48

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Solution

The fourth proportional to 2,471.58, 3,408.03 and 1,842.48 is: 2,540.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471.58 : 3,408.03 = 1,842.48 : x
  2. Step 2: Convert to fraction form
    2,471.58/3,408.03 = 1,842.48/x
  3. Step 3: Cross multiply
    2,471.58x = 3,408.03 × 1,842.48
  4. Step 4: Simplify right side
    2,471.58x = 6,279,227.11
  5. Step 5: Solve for x
    x = 6,279,227.11/2,471.58
  6. Step 6: Final answer
    x = 2,540.57

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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.