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Finding the Fourth Proportional to 11,169.64, 16,750.98 and 4,053.04

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Solution

The fourth proportional to 11,169.64, 16,750.98 and 4,053.04 is: 6,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,169.64 : 16,750.98 = 4,053.04 : x
  2. Step 2: Convert to fraction form
    11,169.64/16,750.98 = 4,053.04/x
  3. Step 3: Cross multiply
    11,169.64x = 16,750.98 × 4,053.04
  4. Step 4: Simplify right side
    11,169.64x = 67,892,391.98
  5. Step 5: Solve for x
    x = 67,892,391.98/11,169.64
  6. Step 6: Final answer
    x = 6,078.30

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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.