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Finding the Fourth Proportional to 11,108, 16,662.16 and 2,900

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Solution

The fourth proportional to 11,108, 16,662.16 and 2,900 is: 4,350.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108 : 16,662.16 = 2,900 : x
  2. Step 2: Convert to fraction form
    11,108/16,662.16 = 2,900/x
  3. Step 3: Cross multiply
    11,108x = 16,662.16 × 2,900
  4. Step 4: Simplify right side
    11,108x = 48,320,264
  5. Step 5: Solve for x
    x = 48,320,264/11,108
  6. Step 6: Final answer
    x = 4,350.04

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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.