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Finding the Fourth Proportional to 45,545.80, 68,254.70 and 36,201.80

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Solution

The fourth proportional to 45,545.80, 68,254.70 and 36,201.80 is: 54,251.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,545.80 : 68,254.70 = 36,201.80 : x
  2. Step 2: Convert to fraction form
    45,545.80/68,254.70 = 36,201.80/x
  3. Step 3: Cross multiply
    45,545.80x = 68,254.70 × 36,201.80
  4. Step 4: Simplify right side
    45,545.80x = 2,470,942,998.46
  5. Step 5: Solve for x
    x = 2,470,942,998.46/45,545.80
  6. Step 6: Final answer
    x = 54,251.83

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1.5x scale

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.