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Finding the Fourth Proportional to 3,667.88, 5,061.39 and 2,176.17

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Solution

The fourth proportional to 3,667.88, 5,061.39 and 2,176.17 is: 3,002.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,667.88 : 5,061.39 = 2,176.17 : x
  2. Step 2: Convert to fraction form
    3,667.88/5,061.39 = 2,176.17/x
  3. Step 3: Cross multiply
    3,667.88x = 5,061.39 × 2,176.17
  4. Step 4: Simplify right side
    3,667.88x = 11,014,417.94
  5. Step 5: Solve for x
    x = 11,014,417.94/3,667.88
  6. Step 6: Final answer
    x = 3,002.94

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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.