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Finding the Fourth Proportional to 3,335.77, 5,004.40 and 995.82

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Solution

The fourth proportional to 3,335.77, 5,004.40 and 995.82 is: 1,493.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.77 : 5,004.40 = 995.82 : x
  2. Step 2: Convert to fraction form
    3,335.77/5,004.40 = 995.82/x
  3. Step 3: Cross multiply
    3,335.77x = 5,004.40 × 995.82
  4. Step 4: Simplify right side
    3,335.77x = 4,983,481.61
  5. Step 5: Solve for x
    x = 4,983,481.61/3,335.77
  6. Step 6: Final answer
    x = 1,493.95

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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.