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Finding the Fourth Proportional to 73,893.06, 110,838.78 and 18,489.06

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Solution

The fourth proportional to 73,893.06, 110,838.78 and 18,489.06 is: 27,733.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,893.06 : 110,838.78 = 18,489.06 : x
  2. Step 2: Convert to fraction form
    73,893.06/110,838.78 = 18,489.06/x
  3. Step 3: Cross multiply
    73,893.06x = 110,838.78 × 18,489.06
  4. Step 4: Simplify right side
    73,893.06x = 2,049,304,853.75
  5. Step 5: Solve for x
    x = 2,049,304,853.75/73,893.06
  6. Step 6: Final answer
    x = 27,733.39

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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.