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Finding the Fourth Proportional to 2,637.67, 3,948.27 and 1,760.89

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Solution

The fourth proportional to 2,637.67, 3,948.27 and 1,760.89 is: 2,635.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.67 : 3,948.27 = 1,760.89 : x
  2. Step 2: Convert to fraction form
    2,637.67/3,948.27 = 1,760.89/x
  3. Step 3: Cross multiply
    2,637.67x = 3,948.27 × 1,760.89
  4. Step 4: Simplify right side
    2,637.67x = 6,952,469.16
  5. Step 5: Solve for x
    x = 6,952,469.16/2,637.67
  6. Step 6: Final answer
    x = 2,635.84

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1.5x scale

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.