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Finding the Fourth Proportional to 2,995.60, 4,494.48 and 2,136.64

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Solution

The fourth proportional to 2,995.60, 4,494.48 and 2,136.64 is: 3,205.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.60 : 4,494.48 = 2,136.64 : x
  2. Step 2: Convert to fraction form
    2,995.60/4,494.48 = 2,136.64/x
  3. Step 3: Cross multiply
    2,995.60x = 4,494.48 × 2,136.64
  4. Step 4: Simplify right side
    2,995.60x = 9,603,085.75
  5. Step 5: Solve for x
    x = 9,603,085.75/2,995.60
  6. Step 6: Final answer
    x = 3,205.73

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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.