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Finding the Fourth Proportional to 2,696.97, 4,045.01 and 749.37

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Solution

The fourth proportional to 2,696.97, 4,045.01 and 749.37 is: 1,123.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696.97 : 4,045.01 = 749.37 : x
  2. Step 2: Convert to fraction form
    2,696.97/4,045.01 = 749.37/x
  3. Step 3: Cross multiply
    2,696.97x = 4,045.01 × 749.37
  4. Step 4: Simplify right side
    2,696.97x = 3,031,205.40
  5. Step 5: Solve for x
    x = 3,031,205.40/2,696.97
  6. Step 6: Final answer
    x = 1,123.93

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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.