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Finding the Fourth Proportional to 69,737.76, 96,238.20 and 37,906.80

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Solution

The fourth proportional to 69,737.76, 96,238.20 and 37,906.80 is: 52,311.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,737.76 : 96,238.20 = 37,906.80 : x
  2. Step 2: Convert to fraction form
    69,737.76/96,238.20 = 37,906.80/x
  3. Step 3: Cross multiply
    69,737.76x = 96,238.20 × 37,906.80
  4. Step 4: Simplify right side
    69,737.76x = 3,648,082,199.76
  5. Step 5: Solve for x
    x = 3,648,082,199.76/69,737.76
  6. Step 6: Final answer
    x = 52,311.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.