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Finding the Fourth Proportional to 3,629.01, 5,442.66 and 995.88

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Solution

The fourth proportional to 3,629.01, 5,442.66 and 995.88 is: 1,493.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.01 : 5,442.66 = 995.88 : x
  2. Step 2: Convert to fraction form
    3,629.01/5,442.66 = 995.88/x
  3. Step 3: Cross multiply
    3,629.01x = 5,442.66 × 995.88
  4. Step 4: Simplify right side
    3,629.01x = 5,420,236.24
  5. Step 5: Solve for x
    x = 5,420,236.24/3,629.01
  6. Step 6: Final answer
    x = 1,493.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.