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Finding the Fourth Proportional to 52,719.62, 78,991.94 and 37,104.44

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Solution

The fourth proportional to 52,719.62, 78,991.94 and 37,104.44 is: 55,595.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,719.62 : 78,991.94 = 37,104.44 : x
  2. Step 2: Convert to fraction form
    52,719.62/78,991.94 = 37,104.44/x
  3. Step 3: Cross multiply
    52,719.62x = 78,991.94 × 37,104.44
  4. Step 4: Simplify right side
    52,719.62x = 2,930,951,698.21
  5. Step 5: Solve for x
    x = 2,930,951,698.21/52,719.62
  6. Step 6: Final answer
    x = 55,595.08

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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.