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Finding the Fourth Proportional to 18,496.27, 27,737.07 and 7,967.08

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Solution

The fourth proportional to 18,496.27, 27,737.07 and 7,967.08 is: 11,947.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,496.27 : 27,737.07 = 7,967.08 : x
  2. Step 2: Convert to fraction form
    18,496.27/27,737.07 = 7,967.08/x
  3. Step 3: Cross multiply
    18,496.27x = 27,737.07 × 7,967.08
  4. Step 4: Simplify right side
    18,496.27x = 220,983,455.66
  5. Step 5: Solve for x
    x = 220,983,455.66/18,496.27
  6. Step 6: Final answer
    x = 11,947.46

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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.