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Finding the Fourth Proportional to 1,976.14, 2,964.18 and 589.42

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Solution

The fourth proportional to 1,976.14, 2,964.18 and 589.42 is: 884.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.14 : 2,964.18 = 589.42 : x
  2. Step 2: Convert to fraction form
    1,976.14/2,964.18 = 589.42/x
  3. Step 3: Cross multiply
    1,976.14x = 2,964.18 × 589.42
  4. Step 4: Simplify right side
    1,976.14x = 1,747,146.98
  5. Step 5: Solve for x
    x = 1,747,146.98/1,976.14
  6. Step 6: Final answer
    x = 884.12

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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.