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Finding the Fourth Proportional to 11,045.13, 16,555.02 and 5,486.04

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Solution

The fourth proportional to 11,045.13, 16,555.02 and 5,486.04 is: 8,222.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,045.13 : 16,555.02 = 5,486.04 : x
  2. Step 2: Convert to fraction form
    11,045.13/16,555.02 = 5,486.04/x
  3. Step 3: Cross multiply
    11,045.13x = 16,555.02 × 5,486.04
  4. Step 4: Simplify right side
    11,045.13x = 90,821,481.35
  5. Step 5: Solve for x
    x = 90,821,481.35/11,045.13
  6. Step 6: Final answer
    x = 8,222.77

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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.