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Finding the Fourth Proportional to 8,103, 11,181.86 and 4,566

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Solution

The fourth proportional to 8,103, 11,181.86 and 4,566 is: 6,300.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103 : 11,181.86 = 4,566 : x
  2. Step 2: Convert to fraction form
    8,103/11,181.86 = 4,566/x
  3. Step 3: Cross multiply
    8,103x = 11,181.86 × 4,566
  4. Step 4: Simplify right side
    8,103x = 51,056,372.76
  5. Step 5: Solve for x
    x = 51,056,372.76/8,103
  6. Step 6: Final answer
    x = 6,300.92

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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.