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Finding the Fourth Proportional to 2,257.65, 3,387.54 and 797.49

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Solution

The fourth proportional to 2,257.65, 3,387.54 and 797.49 is: 1,196.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.65 : 3,387.54 = 797.49 : x
  2. Step 2: Convert to fraction form
    2,257.65/3,387.54 = 797.49/x
  3. Step 3: Cross multiply
    2,257.65x = 3,387.54 × 797.49
  4. Step 4: Simplify right side
    2,257.65x = 2,701,529.27
  5. Step 5: Solve for x
    x = 2,701,529.27/2,257.65
  6. Step 6: Final answer
    x = 1,196.61

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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.