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Finding the Fourth Proportional to 37,027.40, 55,549.20 and 12,063.20

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Solution

The fourth proportional to 37,027.40, 55,549.20 and 12,063.20 is: 18,097.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,027.40 : 55,549.20 = 12,063.20 : x
  2. Step 2: Convert to fraction form
    37,027.40/55,549.20 = 12,063.20/x
  3. Step 3: Cross multiply
    37,027.40x = 55,549.20 × 12,063.20
  4. Step 4: Simplify right side
    37,027.40x = 670,101,109.44
  5. Step 5: Solve for x
    x = 670,101,109.44/37,027.40
  6. Step 6: Final answer
    x = 18,097.44

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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.