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Finding the Fourth Proportional to 45,324.20, 67,856.70 and 44,028.20

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Solution

The fourth proportional to 45,324.20, 67,856.70 and 44,028.20 is: 65,916.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,324.20 : 67,856.70 = 44,028.20 : x
  2. Step 2: Convert to fraction form
    45,324.20/67,856.70 = 44,028.20/x
  3. Step 3: Cross multiply
    45,324.20x = 67,856.70 × 44,028.20
  4. Step 4: Simplify right side
    45,324.20x = 2,987,608,358.94
  5. Step 5: Solve for x
    x = 2,987,608,358.94/45,324.20
  6. Step 6: Final answer
    x = 65,916.41

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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.