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Finding the Fourth Proportional to 3,615.82, 4,993.38 and 2,499.64

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Solution

The fourth proportional to 3,615.82, 4,993.38 and 2,499.64 is: 3,451.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.82 : 4,993.38 = 2,499.64 : x
  2. Step 2: Convert to fraction form
    3,615.82/4,993.38 = 2,499.64/x
  3. Step 3: Cross multiply
    3,615.82x = 4,993.38 × 2,499.64
  4. Step 4: Simplify right side
    3,615.82x = 12,481,652.38
  5. Step 5: Solve for x
    x = 12,481,652.38/3,615.82
  6. Step 6: Final answer
    x = 3,451.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.