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Finding the Fourth Proportional to 29,696.70, 44,531.13 and 17,220.27

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Solution

The fourth proportional to 29,696.70, 44,531.13 and 17,220.27 is: 25,822.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,696.70 : 44,531.13 = 17,220.27 : x
  2. Step 2: Convert to fraction form
    29,696.70/44,531.13 = 17,220.27/x
  3. Step 3: Cross multiply
    29,696.70x = 44,531.13 × 17,220.27
  4. Step 4: Simplify right side
    29,696.70x = 766,838,082.01
  5. Step 5: Solve for x
    x = 766,838,082.01/29,696.70
  6. Step 6: Final answer
    x = 25,822.33

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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.