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Finding the Fourth Proportional to 4,667.49, 6,439.08 and 3,072.08

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Solution

The fourth proportional to 4,667.49, 6,439.08 and 3,072.08 is: 4,238.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,667.49 : 6,439.08 = 3,072.08 : x
  2. Step 2: Convert to fraction form
    4,667.49/6,439.08 = 3,072.08/x
  3. Step 3: Cross multiply
    4,667.49x = 6,439.08 × 3,072.08
  4. Step 4: Simplify right side
    4,667.49x = 19,781,384.98
  5. Step 5: Solve for x
    x = 19,781,384.98/4,667.49
  6. Step 6: Final answer
    x = 4,238.12

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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.