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Finding the Fourth Proportional to 29,696.82, 44,495.81 and 20,913.28

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Solution

The fourth proportional to 29,696.82, 44,495.81 and 20,913.28 is: 31,335.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,696.82 : 44,495.81 = 20,913.28 : x
  2. Step 2: Convert to fraction form
    29,696.82/44,495.81 = 20,913.28/x
  3. Step 3: Cross multiply
    29,696.82x = 44,495.81 × 20,913.28
  4. Step 4: Simplify right side
    29,696.82x = 930,553,333.36
  5. Step 5: Solve for x
    x = 930,553,333.36/29,696.82
  6. Step 6: Final answer
    x = 31,335.12

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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.