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Finding the Fourth Proportional to 8,551.56, 12,834.60 and 3,361.08

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Solution

The fourth proportional to 8,551.56, 12,834.60 and 3,361.08 is: 5,044.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,551.56 : 12,834.60 = 3,361.08 : x
  2. Step 2: Convert to fraction form
    8,551.56/12,834.60 = 3,361.08/x
  3. Step 3: Cross multiply
    8,551.56x = 12,834.60 × 3,361.08
  4. Step 4: Simplify right side
    8,551.56x = 43,138,117.37
  5. Step 5: Solve for x
    x = 43,138,117.37/8,551.56
  6. Step 6: Final answer
    x = 5,044.47

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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.