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Finding the Fourth Proportional to 34,443.38, 51,664.86 and 11,069.88

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Solution

The fourth proportional to 34,443.38, 51,664.86 and 11,069.88 is: 16,604.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,443.38 : 51,664.86 = 11,069.88 : x
  2. Step 2: Convert to fraction form
    34,443.38/51,664.86 = 11,069.88/x
  3. Step 3: Cross multiply
    34,443.38x = 51,664.86 × 11,069.88
  4. Step 4: Simplify right side
    34,443.38x = 571,923,800.42
  5. Step 5: Solve for x
    x = 571,923,800.42/34,443.38
  6. Step 6: Final answer
    x = 16,604.75

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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.