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Finding the Fourth Proportional to 3,777.36, 5,667.54 and 1,696.80

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Solution

The fourth proportional to 3,777.36, 5,667.54 and 1,696.80 is: 2,545.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.36 : 5,667.54 = 1,696.80 : x
  2. Step 2: Convert to fraction form
    3,777.36/5,667.54 = 1,696.80/x
  3. Step 3: Cross multiply
    3,777.36x = 5,667.54 × 1,696.80
  4. Step 4: Simplify right side
    3,777.36x = 9,616,681.87
  5. Step 5: Solve for x
    x = 9,616,681.87/3,777.36
  6. Step 6: Final answer
    x = 2,545.87

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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.