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Finding the Fourth Proportional to 2,696.35, 4,045.14 and 822.41

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Solution

The fourth proportional to 2,696.35, 4,045.14 and 822.41 is: 1,233.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696.35 : 4,045.14 = 822.41 : x
  2. Step 2: Convert to fraction form
    2,696.35/4,045.14 = 822.41/x
  3. Step 3: Cross multiply
    2,696.35x = 4,045.14 × 822.41
  4. Step 4: Simplify right side
    2,696.35x = 3,326,763.59
  5. Step 5: Solve for x
    x = 3,326,763.59/2,696.35
  6. Step 6: Final answer
    x = 1,233.80

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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.