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Finding the Fourth Proportional to 5,165.44, 7,074.72 and 4,862.37

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Solution

The fourth proportional to 5,165.44, 7,074.72 and 4,862.37 is: 6,659.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165.44 : 7,074.72 = 4,862.37 : x
  2. Step 2: Convert to fraction form
    5,165.44/7,074.72 = 4,862.37/x
  3. Step 3: Cross multiply
    5,165.44x = 7,074.72 × 4,862.37
  4. Step 4: Simplify right side
    5,165.44x = 34,399,906.29
  5. Step 5: Solve for x
    x = 34,399,906.29/5,165.44
  6. Step 6: Final answer
    x = 6,659.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.