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Finding the Fourth Proportional to 36,814.57, 50,804.82 and 20,899.01

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Solution

The fourth proportional to 36,814.57, 50,804.82 and 20,899.01 is: 28,841.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,814.57 : 50,804.82 = 20,899.01 : x
  2. Step 2: Convert to fraction form
    36,814.57/50,804.82 = 20,899.01/x
  3. Step 3: Cross multiply
    36,814.57x = 50,804.82 × 20,899.01
  4. Step 4: Simplify right side
    36,814.57x = 1,061,770,568.24
  5. Step 5: Solve for x
    x = 1,061,770,568.24/36,814.57
  6. Step 6: Final answer
    x = 28,841.04

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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.