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Finding the Fourth Proportional to 6,932.54, 10,384.09 and 6,436.82

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Solution

The fourth proportional to 6,932.54, 10,384.09 and 6,436.82 is: 9,641.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,932.54 : 10,384.09 = 6,436.82 : x
  2. Step 2: Convert to fraction form
    6,932.54/10,384.09 = 6,436.82/x
  3. Step 3: Cross multiply
    6,932.54x = 10,384.09 × 6,436.82
  4. Step 4: Simplify right side
    6,932.54x = 66,840,450.18
  5. Step 5: Solve for x
    x = 66,840,450.18/6,932.54
  6. Step 6: Final answer
    x = 9,641.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.