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Finding the Fourth Proportional to 18,454.52, 27,684.81 and 9,094.97

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Solution

The fourth proportional to 18,454.52, 27,684.81 and 9,094.97 is: 13,643.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,454.52 : 27,684.81 = 9,094.97 : x
  2. Step 2: Convert to fraction form
    18,454.52/27,684.81 = 9,094.97/x
  3. Step 3: Cross multiply
    18,454.52x = 27,684.81 × 9,094.97
  4. Step 4: Simplify right side
    18,454.52x = 251,792,377.98
  5. Step 5: Solve for x
    x = 251,792,377.98/18,454.52
  6. Step 6: Final answer
    x = 13,643.94

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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.