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Finding the Fourth Proportional to 3,335.64, 5,003.75 and 995.49

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Solution

The fourth proportional to 3,335.64, 5,003.75 and 995.49 is: 1,493.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.64 : 5,003.75 = 995.49 : x
  2. Step 2: Convert to fraction form
    3,335.64/5,003.75 = 995.49/x
  3. Step 3: Cross multiply
    3,335.64x = 5,003.75 × 995.49
  4. Step 4: Simplify right side
    3,335.64x = 4,981,178.11
  5. Step 5: Solve for x
    x = 4,981,178.11/3,335.64
  6. Step 6: Final answer
    x = 1,493.32

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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.