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Finding the Fourth Proportional to 18,454.91, 27,695.76 and 7,364.76

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Solution

The fourth proportional to 18,454.91, 27,695.76 and 7,364.76 is: 11,052.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,454.91 : 27,695.76 = 7,364.76 : x
  2. Step 2: Convert to fraction form
    18,454.91/27,695.76 = 7,364.76/x
  3. Step 3: Cross multiply
    18,454.91x = 27,695.76 × 7,364.76
  4. Step 4: Simplify right side
    18,454.91x = 203,972,493.94
  5. Step 5: Solve for x
    x = 203,972,493.94/18,454.91
  6. Step 6: Final answer
    x = 11,052.48

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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.