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Finding the Fourth Proportional to 6,787.35, 9,366.54 and 3,803.21

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Solution

The fourth proportional to 6,787.35, 9,366.54 and 3,803.21 is: 5,248.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.35 : 9,366.54 = 3,803.21 : x
  2. Step 2: Convert to fraction form
    6,787.35/9,366.54 = 3,803.21/x
  3. Step 3: Cross multiply
    6,787.35x = 9,366.54 × 3,803.21
  4. Step 4: Simplify right side
    6,787.35x = 35,622,956.27
  5. Step 5: Solve for x
    x = 35,622,956.27/6,787.35
  6. Step 6: Final answer
    x = 5,248.43

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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.