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Finding the Fourth Proportional to 1,964.88, 2,947.31 and 596.88

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Solution

The fourth proportional to 1,964.88, 2,947.31 and 596.88 is: 895.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964.88 : 2,947.31 = 596.88 : x
  2. Step 2: Convert to fraction form
    1,964.88/2,947.31 = 596.88/x
  3. Step 3: Cross multiply
    1,964.88x = 2,947.31 × 596.88
  4. Step 4: Simplify right side
    1,964.88x = 1,759,190.39
  5. Step 5: Solve for x
    x = 1,759,190.39/1,964.88
  6. Step 6: Final answer
    x = 895.32

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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.