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Finding the Fourth Proportional to 37,135.70, 55,706.90 and 10,481.98

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Solution

The fourth proportional to 37,135.70, 55,706.90 and 10,481.98 is: 15,723.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,135.70 : 55,706.90 = 10,481.98 : x
  2. Step 2: Convert to fraction form
    37,135.70/55,706.90 = 10,481.98/x
  3. Step 3: Cross multiply
    37,135.70x = 55,706.90 × 10,481.98
  4. Step 4: Simplify right side
    37,135.70x = 583,918,611.66
  5. Step 5: Solve for x
    x = 583,918,611.66/37,135.70
  6. Step 6: Final answer
    x = 15,723.92

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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.