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Finding the Fourth Proportional to 2,797.76, 4,192.85 and 1,065.44

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Solution

The fourth proportional to 2,797.76, 4,192.85 and 1,065.44 is: 1,596.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.76 : 4,192.85 = 1,065.44 : x
  2. Step 2: Convert to fraction form
    2,797.76/4,192.85 = 1,065.44/x
  3. Step 3: Cross multiply
    2,797.76x = 4,192.85 × 1,065.44
  4. Step 4: Simplify right side
    2,797.76x = 4,467,203.81
  5. Step 5: Solve for x
    x = 4,467,203.81/2,797.76
  6. Step 6: Final answer
    x = 1,596.71

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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.