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Finding the Fourth Proportional to 2,462.60, 3,399.11 and 1,611.98

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Solution

The fourth proportional to 2,462.60, 3,399.11 and 1,611.98 is: 2,225.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,462.60 : 3,399.11 = 1,611.98 : x
  2. Step 2: Convert to fraction form
    2,462.60/3,399.11 = 1,611.98/x
  3. Step 3: Cross multiply
    2,462.60x = 3,399.11 × 1,611.98
  4. Step 4: Simplify right side
    2,462.60x = 5,479,297.34
  5. Step 5: Solve for x
    x = 5,479,297.34/2,462.60
  6. Step 6: Final answer
    x = 2,225.01

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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.