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Finding the Fourth Proportional to 3,303.68, 4,956.28 and 995.36

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Solution

The fourth proportional to 3,303.68, 4,956.28 and 995.36 is: 1,493.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,303.68 : 4,956.28 = 995.36 : x
  2. Step 2: Convert to fraction form
    3,303.68/4,956.28 = 995.36/x
  3. Step 3: Cross multiply
    3,303.68x = 4,956.28 × 995.36
  4. Step 4: Simplify right side
    3,303.68x = 4,933,282.86
  5. Step 5: Solve for x
    x = 4,933,282.86/3,303.68
  6. Step 6: Final answer
    x = 1,493.27

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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.