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Finding the Fourth Proportional to 36,844.80, 50,845.50 and 20,077.80

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Solution

The fourth proportional to 36,844.80, 50,845.50 and 20,077.80 is: 27,707.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,844.80 : 50,845.50 = 20,077.80 : x
  2. Step 2: Convert to fraction form
    36,844.80/50,845.50 = 20,077.80/x
  3. Step 3: Cross multiply
    36,844.80x = 50,845.50 × 20,077.80
  4. Step 4: Simplify right side
    36,844.80x = 1,020,865,779.90
  5. Step 5: Solve for x
    x = 1,020,865,779.90/36,844.80
  6. Step 6: Final answer
    x = 27,707.19

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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.