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Finding the Fourth Proportional to 2,799.99, 4,203.63 and 2,369.88

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Solution

The fourth proportional to 2,799.99, 4,203.63 and 2,369.88 is: 3,557.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.99 : 4,203.63 = 2,369.88 : x
  2. Step 2: Convert to fraction form
    2,799.99/4,203.63 = 2,369.88/x
  3. Step 3: Cross multiply
    2,799.99x = 4,203.63 × 2,369.88
  4. Step 4: Simplify right side
    2,799.99x = 9,962,098.66
  5. Step 5: Solve for x
    x = 9,962,098.66/2,799.99
  6. Step 6: Final answer
    x = 3,557.91

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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.