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Finding the Fourth Proportional to 6,787.91, 9,365.27 and 4,394.09

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Solution

The fourth proportional to 6,787.91, 9,365.27 and 4,394.09 is: 6,062.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.91 : 9,365.27 = 4,394.09 : x
  2. Step 2: Convert to fraction form
    6,787.91/9,365.27 = 4,394.09/x
  3. Step 3: Cross multiply
    6,787.91x = 9,365.27 × 4,394.09
  4. Step 4: Simplify right side
    6,787.91x = 41,151,770.46
  5. Step 5: Solve for x
    x = 41,151,770.46/6,787.91
  6. Step 6: Final answer
    x = 6,062.51

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1.5x scale

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.