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Finding the Fourth Proportional to 3,479.99, 5,218.44 and 2,502

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Solution

The fourth proportional to 3,479.99, 5,218.44 and 2,502 is: 3,751.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.99 : 5,218.44 = 2,502 : x
  2. Step 2: Convert to fraction form
    3,479.99/5,218.44 = 2,502/x
  3. Step 3: Cross multiply
    3,479.99x = 5,218.44 × 2,502
  4. Step 4: Simplify right side
    3,479.99x = 13,056,536.88
  5. Step 5: Solve for x
    x = 13,056,536.88/3,479.99
  6. Step 6: Final answer
    x = 3,751.89

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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.