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Finding the Fourth Proportional to 5,458.22, 7,532.34 and 2,974.22

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Solution

The fourth proportional to 5,458.22, 7,532.34 and 2,974.22 is: 4,104.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.22 : 7,532.34 = 2,974.22 : x
  2. Step 2: Convert to fraction form
    5,458.22/7,532.34 = 2,974.22/x
  3. Step 3: Cross multiply
    5,458.22x = 7,532.34 × 2,974.22
  4. Step 4: Simplify right side
    5,458.22x = 22,402,832.44
  5. Step 5: Solve for x
    x = 22,402,832.44/5,458.22
  6. Step 6: Final answer
    x = 4,104.42

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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.