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Finding the Fourth Proportional to 8,846.62, 12,208.66 and 4,867.90

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Solution

The fourth proportional to 8,846.62, 12,208.66 and 4,867.90 is: 6,717.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,846.62 : 12,208.66 = 4,867.90 : x
  2. Step 2: Convert to fraction form
    8,846.62/12,208.66 = 4,867.90/x
  3. Step 3: Cross multiply
    8,846.62x = 12,208.66 × 4,867.90
  4. Step 4: Simplify right side
    8,846.62x = 59,430,493.32
  5. Step 5: Solve for x
    x = 59,430,493.32/8,846.62
  6. Step 6: Final answer
    x = 6,717.88

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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.