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Finding the Fourth Proportional to 6,927.82, 9,560.42 and 3,784

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Solution

The fourth proportional to 6,927.82, 9,560.42 and 3,784 is: 5,221.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,927.82 : 9,560.42 = 3,784 : x
  2. Step 2: Convert to fraction form
    6,927.82/9,560.42 = 3,784/x
  3. Step 3: Cross multiply
    6,927.82x = 9,560.42 × 3,784
  4. Step 4: Simplify right side
    6,927.82x = 36,176,629.28
  5. Step 5: Solve for x
    x = 36,176,629.28/6,927.82
  6. Step 6: Final answer
    x = 5,221.94

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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.