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Finding the Fourth Proportional to 2,637.56, 3,637.42 and 2,264.42

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Solution

The fourth proportional to 2,637.56, 3,637.42 and 2,264.42 is: 3,122.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.56 : 3,637.42 = 2,264.42 : x
  2. Step 2: Convert to fraction form
    2,637.56/3,637.42 = 2,264.42/x
  3. Step 3: Cross multiply
    2,637.56x = 3,637.42 × 2,264.42
  4. Step 4: Simplify right side
    2,637.56x = 8,236,622.75
  5. Step 5: Solve for x
    x = 8,236,622.75/2,637.56
  6. Step 6: Final answer
    x = 3,122.83

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1.5x scale

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.