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Finding the Fourth Proportional to 45,019.80, 67,529.70 and 44,363.70

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Solution

The fourth proportional to 45,019.80, 67,529.70 and 44,363.70 is: 66,545.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,019.80 : 67,529.70 = 44,363.70 : x
  2. Step 2: Convert to fraction form
    45,019.80/67,529.70 = 44,363.70/x
  3. Step 3: Cross multiply
    45,019.80x = 67,529.70 × 44,363.70
  4. Step 4: Simplify right side
    45,019.80x = 2,995,867,351.89
  5. Step 5: Solve for x
    x = 2,995,867,351.89/45,019.80
  6. Step 6: Final answer
    x = 66,545.55

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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.