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Finding the Fourth Proportional to 2,696.55, 4,044.83 and 964.95

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Solution

The fourth proportional to 2,696.55, 4,044.83 and 964.95 is: 1,447.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696.55 : 4,044.83 = 964.95 : x
  2. Step 2: Convert to fraction form
    2,696.55/4,044.83 = 964.95/x
  3. Step 3: Cross multiply
    2,696.55x = 4,044.83 × 964.95
  4. Step 4: Simplify right side
    2,696.55x = 3,903,053.88
  5. Step 5: Solve for x
    x = 3,903,053.88/2,696.55
  6. Step 6: Final answer
    x = 1,447.43

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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.