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Finding the Fourth Proportional to 8,168.88, 11,267.75 and 4,808.87

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Solution

The fourth proportional to 8,168.88, 11,267.75 and 4,808.87 is: 6,633.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.88 : 11,267.75 = 4,808.87 : x
  2. Step 2: Convert to fraction form
    8,168.88/11,267.75 = 4,808.87/x
  3. Step 3: Cross multiply
    8,168.88x = 11,267.75 × 4,808.87
  4. Step 4: Simplify right side
    8,168.88x = 54,185,064.56
  5. Step 5: Solve for x
    x = 54,185,064.56/8,168.88
  6. Step 6: Final answer
    x = 6,633.11

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1.5x scale

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.