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Finding the Fourth Proportional to 36,144.59, 49,879.52 and 20,229.04

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Solution

The fourth proportional to 36,144.59, 49,879.52 and 20,229.04 is: 27,916.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,144.59 : 49,879.52 = 20,229.04 : x
  2. Step 2: Convert to fraction form
    36,144.59/49,879.52 = 20,229.04/x
  3. Step 3: Cross multiply
    36,144.59x = 49,879.52 × 20,229.04
  4. Step 4: Simplify right side
    36,144.59x = 1,009,014,555.86
  5. Step 5: Solve for x
    x = 1,009,014,555.86/36,144.59
  6. Step 6: Final answer
    x = 27,916.06

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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.