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Finding the Fourth Proportional to 36,817.65, 50,808.60 and 20,902.38

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Solution

The fourth proportional to 36,817.65, 50,808.60 and 20,902.38 is: 28,845.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,817.65 : 50,808.60 = 20,902.38 : x
  2. Step 2: Convert to fraction form
    36,817.65/50,808.60 = 20,902.38/x
  3. Step 3: Cross multiply
    36,817.65x = 50,808.60 × 20,902.38
  4. Step 4: Simplify right side
    36,817.65x = 1,062,020,664.47
  5. Step 5: Solve for x
    x = 1,062,020,664.47/36,817.65
  6. Step 6: Final answer
    x = 28,845.42

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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.