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Finding the Fourth Proportional to 2,669.04, 3,682.80 and 1,490.04

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Solution

The fourth proportional to 2,669.04, 3,682.80 and 1,490.04 is: 2,055.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.04 : 3,682.80 = 1,490.04 : x
  2. Step 2: Convert to fraction form
    2,669.04/3,682.80 = 1,490.04/x
  3. Step 3: Cross multiply
    2,669.04x = 3,682.80 × 1,490.04
  4. Step 4: Simplify right side
    2,669.04x = 5,487,519.31
  5. Step 5: Solve for x
    x = 5,487,519.31/2,669.04
  6. Step 6: Final answer
    x = 2,055.99

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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.