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Finding the Fourth Proportional to 2,999.61, 4,497.12 and 2,072.52

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Solution

The fourth proportional to 2,999.61, 4,497.12 and 2,072.52 is: 3,107.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.61 : 4,497.12 = 2,072.52 : x
  2. Step 2: Convert to fraction form
    2,999.61/4,497.12 = 2,072.52/x
  3. Step 3: Cross multiply
    2,999.61x = 4,497.12 × 2,072.52
  4. Step 4: Simplify right side
    2,999.61x = 9,320,371.14
  5. Step 5: Solve for x
    x = 9,320,371.14/2,999.61
  6. Step 6: Final answer
    x = 3,107.19

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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.