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Finding the Fourth Proportional to 73,942.84, 110,914.26 and 18,538.84

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Solution

The fourth proportional to 73,942.84, 110,914.26 and 18,538.84 is: 27,808.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,942.84 : 110,914.26 = 18,538.84 : x
  2. Step 2: Convert to fraction form
    73,942.84/110,914.26 = 18,538.84/x
  3. Step 3: Cross multiply
    73,942.84x = 110,914.26 × 18,538.84
  4. Step 4: Simplify right side
    73,942.84x = 2,056,221,719.86
  5. Step 5: Solve for x
    x = 2,056,221,719.86/73,942.84
  6. Step 6: Final answer
    x = 27,808.26

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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.