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Finding the Fourth Proportional to 1,956, 2,933.28 and 568.97

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Solution

The fourth proportional to 1,956, 2,933.28 and 568.97 is: 853.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956 : 2,933.28 = 568.97 : x
  2. Step 2: Convert to fraction form
    1,956/2,933.28 = 568.97/x
  3. Step 3: Cross multiply
    1,956x = 2,933.28 × 568.97
  4. Step 4: Simplify right side
    1,956x = 1,668,933.66
  5. Step 5: Solve for x
    x = 1,668,933.66/1,956
  6. Step 6: Final answer
    x = 853.24

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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.