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Finding the Fourth Proportional to 29,968.50, 44,954.91 and 11,500.50

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Solution

The fourth proportional to 29,968.50, 44,954.91 and 11,500.50 is: 17,251.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,968.50 : 44,954.91 = 11,500.50 : x
  2. Step 2: Convert to fraction form
    29,968.50/44,954.91 = 11,500.50/x
  3. Step 3: Cross multiply
    29,968.50x = 44,954.91 × 11,500.50
  4. Step 4: Simplify right side
    29,968.50x = 517,003,942.46
  5. Step 5: Solve for x
    x = 517,003,942.46/29,968.50
  6. Step 6: Final answer
    x = 17,251.58

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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.