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Finding the Fourth Proportional to 6,295.92, 8,694.66 and 5,187.84

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Solution

The fourth proportional to 6,295.92, 8,694.66 and 5,187.84 is: 7,164.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,295.92 : 8,694.66 = 5,187.84 : x
  2. Step 2: Convert to fraction form
    6,295.92/8,694.66 = 5,187.84/x
  3. Step 3: Cross multiply
    6,295.92x = 8,694.66 × 5,187.84
  4. Step 4: Simplify right side
    6,295.92x = 45,106,504.93
  5. Step 5: Solve for x
    x = 45,106,504.93/6,295.92
  6. Step 6: Final answer
    x = 7,164.40

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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.