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Finding the Fourth Proportional to 6,188.65, 8,540.36 and 3,356.02

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Solution

The fourth proportional to 6,188.65, 8,540.36 and 3,356.02 is: 4,631.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,188.65 : 8,540.36 = 3,356.02 : x
  2. Step 2: Convert to fraction form
    6,188.65/8,540.36 = 3,356.02/x
  3. Step 3: Cross multiply
    6,188.65x = 8,540.36 × 3,356.02
  4. Step 4: Simplify right side
    6,188.65x = 28,661,618.97
  5. Step 5: Solve for x
    x = 28,661,618.97/6,188.65
  6. Step 6: Final answer
    x = 4,631.32

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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.