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Finding the Fourth Proportional to 8,906.66, 13,372.14 and 4,527.22

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Solution

The fourth proportional to 8,906.66, 13,372.14 and 4,527.22 is: 6,797.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,906.66 : 13,372.14 = 4,527.22 : x
  2. Step 2: Convert to fraction form
    8,906.66/13,372.14 = 4,527.22/x
  3. Step 3: Cross multiply
    8,906.66x = 13,372.14 × 4,527.22
  4. Step 4: Simplify right side
    8,906.66x = 60,538,619.65
  5. Step 5: Solve for x
    x = 60,538,619.65/8,906.66
  6. Step 6: Final answer
    x = 6,797.01

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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.