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Finding the Fourth Proportional to 8,625.66, 11,874.04 and 6,383.31

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Solution

The fourth proportional to 8,625.66, 11,874.04 and 6,383.31 is: 8,787.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625.66 : 11,874.04 = 6,383.31 : x
  2. Step 2: Convert to fraction form
    8,625.66/11,874.04 = 6,383.31/x
  3. Step 3: Cross multiply
    8,625.66x = 11,874.04 × 6,383.31
  4. Step 4: Simplify right side
    8,625.66x = 75,795,653.69
  5. Step 5: Solve for x
    x = 75,795,653.69/8,625.66
  6. Step 6: Final answer
    x = 8,787.22

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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.