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Finding the Fourth Proportional to 29,931.36, 44,910.28 and 15,696.44

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Solution

The fourth proportional to 29,931.36, 44,910.28 and 15,696.44 is: 23,551.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,931.36 : 44,910.28 = 15,696.44 : x
  2. Step 2: Convert to fraction form
    29,931.36/44,910.28 = 15,696.44/x
  3. Step 3: Cross multiply
    29,931.36x = 44,910.28 × 15,696.44
  4. Step 4: Simplify right side
    29,931.36x = 704,931,290.85
  5. Step 5: Solve for x
    x = 704,931,290.85/29,931.36
  6. Step 6: Final answer
    x = 23,551.60

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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.