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Finding the Fourth Proportional to 11,269.58, 16,908.69 and 4,694

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Solution

The fourth proportional to 11,269.58, 16,908.69 and 4,694 is: 7,042.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,269.58 : 16,908.69 = 4,694 : x
  2. Step 2: Convert to fraction form
    11,269.58/16,908.69 = 4,694/x
  3. Step 3: Cross multiply
    11,269.58x = 16,908.69 × 4,694
  4. Step 4: Simplify right side
    11,269.58x = 79,369,390.86
  5. Step 5: Solve for x
    x = 79,369,390.86/11,269.58
  6. Step 6: Final answer
    x = 7,042.80

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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.