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Finding the Fourth Proportional to 2,694.79, 3,718.25 and 1,575.51

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Solution

The fourth proportional to 2,694.79, 3,718.25 and 1,575.51 is: 2,173.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,694.79 : 3,718.25 = 1,575.51 : x
  2. Step 2: Convert to fraction form
    2,694.79/3,718.25 = 1,575.51/x
  3. Step 3: Cross multiply
    2,694.79x = 3,718.25 × 1,575.51
  4. Step 4: Simplify right side
    2,694.79x = 5,858,144.00
  5. Step 5: Solve for x
    x = 5,858,144.00/2,694.79
  6. Step 6: Final answer
    x = 2,173.88

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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.