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Finding the Fourth Proportional to 35,324.70, 48,745.83 and 20,217.30

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Solution

The fourth proportional to 35,324.70, 48,745.83 and 20,217.30 is: 27,898.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,324.70 : 48,745.83 = 20,217.30 : x
  2. Step 2: Convert to fraction form
    35,324.70/48,745.83 = 20,217.30/x
  3. Step 3: Cross multiply
    35,324.70x = 48,745.83 × 20,217.30
  4. Step 4: Simplify right side
    35,324.70x = 985,509,068.86
  5. Step 5: Solve for x
    x = 985,509,068.86/35,324.70
  6. Step 6: Final answer
    x = 27,898.58

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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.