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Finding the Fourth Proportional to 36,808.68, 50,798.61 and 20,894.16

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Solution

The fourth proportional to 36,808.68, 50,798.61 and 20,894.16 is: 28,835.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,808.68 : 50,798.61 = 20,894.16 : x
  2. Step 2: Convert to fraction form
    36,808.68/50,798.61 = 20,894.16/x
  3. Step 3: Cross multiply
    36,808.68x = 50,798.61 × 20,894.16
  4. Step 4: Simplify right side
    36,808.68x = 1,061,394,285.12
  5. Step 5: Solve for x
    x = 1,061,394,285.12/36,808.68
  6. Step 6: Final answer
    x = 28,835.43

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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.