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Finding the Fourth Proportional to 1,822.64, 2,734.20 and 848.96

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Solution

The fourth proportional to 1,822.64, 2,734.20 and 848.96 is: 1,273.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.64 : 2,734.20 = 848.96 : x
  2. Step 2: Convert to fraction form
    1,822.64/2,734.20 = 848.96/x
  3. Step 3: Cross multiply
    1,822.64x = 2,734.20 × 848.96
  4. Step 4: Simplify right side
    1,822.64x = 2,321,226.43
  5. Step 5: Solve for x
    x = 2,321,226.43/1,822.64
  6. Step 6: Final answer
    x = 1,273.55

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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.