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Finding the Fourth Proportional to 3,296.88, 4,549.84 and 1,900.08

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Solution

The fourth proportional to 3,296.88, 4,549.84 and 1,900.08 is: 2,622.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,296.88 : 4,549.84 = 1,900.08 : x
  2. Step 2: Convert to fraction form
    3,296.88/4,549.84 = 1,900.08/x
  3. Step 3: Cross multiply
    3,296.88x = 4,549.84 × 1,900.08
  4. Step 4: Simplify right side
    3,296.88x = 8,645,059.99
  5. Step 5: Solve for x
    x = 8,645,059.99/3,296.88
  6. Step 6: Final answer
    x = 2,622.19

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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.