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Finding the Fourth Proportional to 39,150.80, 58,726.20 and 32,469.20

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Solution

The fourth proportional to 39,150.80, 58,726.20 and 32,469.20 is: 48,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,150.80 : 58,726.20 = 32,469.20 : x
  2. Step 2: Convert to fraction form
    39,150.80/58,726.20 = 32,469.20/x
  3. Step 3: Cross multiply
    39,150.80x = 58,726.20 × 32,469.20
  4. Step 4: Simplify right side
    39,150.80x = 1,906,792,733.04
  5. Step 5: Solve for x
    x = 1,906,792,733.04/39,150.80
  6. Step 6: Final answer
    x = 48,703.80

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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.