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Finding the Fourth Proportional to 1,847.94, 2,772.06 and 922.56

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Solution

The fourth proportional to 1,847.94, 2,772.06 and 922.56 is: 1,383.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847.94 : 2,772.06 = 922.56 : x
  2. Step 2: Convert to fraction form
    1,847.94/2,772.06 = 922.56/x
  3. Step 3: Cross multiply
    1,847.94x = 2,772.06 × 922.56
  4. Step 4: Simplify right side
    1,847.94x = 2,557,391.67
  5. Step 5: Solve for x
    x = 2,557,391.67/1,847.94
  6. Step 6: Final answer
    x = 1,383.91

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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.