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Finding the Fourth Proportional to 11,166.68, 16,751.34 and 3,771.88

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Solution

The fourth proportional to 11,166.68, 16,751.34 and 3,771.88 is: 5,658.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.68 : 16,751.34 = 3,771.88 : x
  2. Step 2: Convert to fraction form
    11,166.68/16,751.34 = 3,771.88/x
  3. Step 3: Cross multiply
    11,166.68x = 16,751.34 × 3,771.88
  4. Step 4: Simplify right side
    11,166.68x = 63,184,044.32
  5. Step 5: Solve for x
    x = 63,184,044.32/11,166.68
  6. Step 6: Final answer
    x = 5,658.27

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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.