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Finding the Fourth Proportional to 8,208, 11,327.10 and 4,482

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Solution

The fourth proportional to 8,208, 11,327.10 and 4,482 is: 6,185.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208 : 11,327.10 = 4,482 : x
  2. Step 2: Convert to fraction form
    8,208/11,327.10 = 4,482/x
  3. Step 3: Cross multiply
    8,208x = 11,327.10 × 4,482
  4. Step 4: Simplify right side
    8,208x = 50,768,062.20
  5. Step 5: Solve for x
    x = 50,768,062.20/8,208
  6. Step 6: Final answer
    x = 6,185.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.