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Finding the Fourth Proportional to 3,186.02, 4,779.48 and 995.24

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Solution

The fourth proportional to 3,186.02, 4,779.48 and 995.24 is: 1,493.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.02 : 4,779.48 = 995.24 : x
  2. Step 2: Convert to fraction form
    3,186.02/4,779.48 = 995.24/x
  3. Step 3: Cross multiply
    3,186.02x = 4,779.48 × 995.24
  4. Step 4: Simplify right side
    3,186.02x = 4,756,729.68
  5. Step 5: Solve for x
    x = 4,756,729.68/3,186.02
  6. Step 6: Final answer
    x = 1,493.00

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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.