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Finding the Fourth Proportional to 36,801.50, 50,786.08 and 20,034.50

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Solution

The fourth proportional to 36,801.50, 50,786.08 and 20,034.50 is: 27,647.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,801.50 : 50,786.08 = 20,034.50 : x
  2. Step 2: Convert to fraction form
    36,801.50/50,786.08 = 20,034.50/x
  3. Step 3: Cross multiply
    36,801.50x = 50,786.08 × 20,034.50
  4. Step 4: Simplify right side
    36,801.50x = 1,017,473,719.76
  5. Step 5: Solve for x
    x = 1,017,473,719.76/36,801.50
  6. Step 6: Final answer
    x = 27,647.62

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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.