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Finding the Fourth Proportional to 3,001.92, 4,144 and 1,760

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Solution

The fourth proportional to 3,001.92, 4,144 and 1,760 is: 2,429.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.92 : 4,144 = 1,760 : x
  2. Step 2: Convert to fraction form
    3,001.92/4,144 = 1,760/x
  3. Step 3: Cross multiply
    3,001.92x = 4,144 × 1,760
  4. Step 4: Simplify right side
    3,001.92x = 7,293,440
  5. Step 5: Solve for x
    x = 7,293,440/3,001.92
  6. Step 6: Final answer
    x = 2,429.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.