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Finding the Fourth Proportional to 2,721.84, 4,062.99 and 2,393.79

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Solution

The fourth proportional to 2,721.84, 4,062.99 and 2,393.79 is: 3,573.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.84 : 4,062.99 = 2,393.79 : x
  2. Step 2: Convert to fraction form
    2,721.84/4,062.99 = 2,393.79/x
  3. Step 3: Cross multiply
    2,721.84x = 4,062.99 × 2,393.79
  4. Step 4: Simplify right side
    2,721.84x = 9,725,944.83
  5. Step 5: Solve for x
    x = 9,725,944.83/2,721.84
  6. Step 6: Final answer
    x = 3,573.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.