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Finding the Fourth Proportional to 36,808.64, 50,797.32 and 20,893.76

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Solution

The fourth proportional to 36,808.64, 50,797.32 and 20,893.76 is: 28,834.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,808.64 : 50,797.32 = 20,893.76 : x
  2. Step 2: Convert to fraction form
    36,808.64/50,797.32 = 20,893.76/x
  3. Step 3: Cross multiply
    36,808.64x = 50,797.32 × 20,893.76
  4. Step 4: Simplify right side
    36,808.64x = 1,061,347,012.72
  5. Step 5: Solve for x
    x = 1,061,347,012.72/36,808.64
  6. Step 6: Final answer
    x = 28,834.18

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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.