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Finding the Fourth Proportional to 3,717.81, 5,569.53 and 2,069.37

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Solution

The fourth proportional to 3,717.81, 5,569.53 and 2,069.37 is: 3,100.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.81 : 5,569.53 = 2,069.37 : x
  2. Step 2: Convert to fraction form
    3,717.81/5,569.53 = 2,069.37/x
  3. Step 3: Cross multiply
    3,717.81x = 5,569.53 × 2,069.37
  4. Step 4: Simplify right side
    3,717.81x = 11,525,418.30
  5. Step 5: Solve for x
    x = 11,525,418.30/3,717.81
  6. Step 6: Final answer
    x = 3,100.06

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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.