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Finding the Fourth Proportional to 1,930.84, 2,896.28 and 955.96

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Solution

The fourth proportional to 1,930.84, 2,896.28 and 955.96 is: 1,433.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.84 : 2,896.28 = 955.96 : x
  2. Step 2: Convert to fraction form
    1,930.84/2,896.28 = 955.96/x
  3. Step 3: Cross multiply
    1,930.84x = 2,896.28 × 955.96
  4. Step 4: Simplify right side
    1,930.84x = 2,768,727.83
  5. Step 5: Solve for x
    x = 2,768,727.83/1,930.84
  6. Step 6: Final answer
    x = 1,433.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.