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Finding the Fourth Proportional to 36,857.19, 50,862.96 and 20,090.19

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Solution

The fourth proportional to 36,857.19, 50,862.96 and 20,090.19 is: 27,724.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,857.19 : 50,862.96 = 20,090.19 : x
  2. Step 2: Convert to fraction form
    36,857.19/50,862.96 = 20,090.19/x
  3. Step 3: Cross multiply
    36,857.19x = 50,862.96 × 20,090.19
  4. Step 4: Simplify right side
    36,857.19x = 1,021,846,429.91
  5. Step 5: Solve for x
    x = 1,021,846,429.91/36,857.19
  6. Step 6: Final answer
    x = 27,724.48

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Half scale
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Double scale
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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.