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Finding the Fourth Proportional to 3,521.01, 4,857.80 and 2,028.88

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Solution

The fourth proportional to 3,521.01, 4,857.80 and 2,028.88 is: 2,799.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.01 : 4,857.80 = 2,028.88 : x
  2. Step 2: Convert to fraction form
    3,521.01/4,857.80 = 2,028.88/x
  3. Step 3: Cross multiply
    3,521.01x = 4,857.80 × 2,028.88
  4. Step 4: Simplify right side
    3,521.01x = 9,855,893.26
  5. Step 5: Solve for x
    x = 9,855,893.26/3,521.01
  6. Step 6: Final answer
    x = 2,799.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.