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Finding the Fourth Proportional to 5,441.58, 7,512.48 and 3,947.94

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Solution

The fourth proportional to 5,441.58, 7,512.48 and 3,947.94 is: 5,450.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.58 : 7,512.48 = 3,947.94 : x
  2. Step 2: Convert to fraction form
    5,441.58/7,512.48 = 3,947.94/x
  3. Step 3: Cross multiply
    5,441.58x = 7,512.48 × 3,947.94
  4. Step 4: Simplify right side
    5,441.58x = 29,658,820.29
  5. Step 5: Solve for x
    x = 29,658,820.29/5,441.58
  6. Step 6: Final answer
    x = 5,450.41

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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.