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Finding the Fourth Proportional to 8,494.93, 12,736.58 and 4,326.87

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Solution

The fourth proportional to 8,494.93, 12,736.58 and 4,326.87 is: 6,487.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,494.93 : 12,736.58 = 4,326.87 : x
  2. Step 2: Convert to fraction form
    8,494.93/12,736.58 = 4,326.87/x
  3. Step 3: Cross multiply
    8,494.93x = 12,736.58 × 4,326.87
  4. Step 4: Simplify right side
    8,494.93x = 55,109,525.90
  5. Step 5: Solve for x
    x = 55,109,525.90/8,494.93
  6. Step 6: Final answer
    x = 6,487.34

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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.