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Finding the Fourth Proportional to 55,099.80, 76,049.94 and 36,238.68

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Solution

The fourth proportional to 55,099.80, 76,049.94 and 36,238.68 is: 50,017.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,099.80 : 76,049.94 = 36,238.68 : x
  2. Step 2: Convert to fraction form
    55,099.80/76,049.94 = 36,238.68/x
  3. Step 3: Cross multiply
    55,099.80x = 76,049.94 × 36,238.68
  4. Step 4: Simplify right side
    55,099.80x = 2,755,949,439.68
  5. Step 5: Solve for x
    x = 2,755,949,439.68/55,099.80
  6. Step 6: Final answer
    x = 50,017.41

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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.