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Finding the Fourth Proportional to 3,335.83, 5,003.40 and 995.86

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Solution

The fourth proportional to 3,335.83, 5,003.40 and 995.86 is: 1,493.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.83 : 5,003.40 = 995.86 : x
  2. Step 2: Convert to fraction form
    3,335.83/5,003.40 = 995.86/x
  3. Step 3: Cross multiply
    3,335.83x = 5,003.40 × 995.86
  4. Step 4: Simplify right side
    3,335.83x = 4,982,685.92
  5. Step 5: Solve for x
    x = 4,982,685.92/3,335.83
  6. Step 6: Final answer
    x = 1,493.69

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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.