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Finding the Fourth Proportional to 8,481, 11,704.14 and 4,755

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Solution

The fourth proportional to 8,481, 11,704.14 and 4,755 is: 6,562.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481 : 11,704.14 = 4,755 : x
  2. Step 2: Convert to fraction form
    8,481/11,704.14 = 4,755/x
  3. Step 3: Cross multiply
    8,481x = 11,704.14 × 4,755
  4. Step 4: Simplify right side
    8,481x = 55,653,185.70
  5. Step 5: Solve for x
    x = 55,653,185.70/8,481
  6. Step 6: Final answer
    x = 6,562.10

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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.