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Finding the Fourth Proportional to 2,694.46, 3,717.92 and 1,515.46

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Solution

The fourth proportional to 2,694.46, 3,717.92 and 1,515.46 is: 2,091.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,694.46 : 3,717.92 = 1,515.46 : x
  2. Step 2: Convert to fraction form
    2,694.46/3,717.92 = 1,515.46/x
  3. Step 3: Cross multiply
    2,694.46x = 3,717.92 × 1,515.46
  4. Step 4: Simplify right side
    2,694.46x = 5,634,332.88
  5. Step 5: Solve for x
    x = 5,634,332.88/2,694.46
  6. Step 6: Final answer
    x = 2,091.08

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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.