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Finding the Fourth Proportional to 36,805.08, 50,791 and 20,038.08

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Solution

The fourth proportional to 36,805.08, 50,791 and 20,038.08 is: 27,652.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,805.08 : 50,791 = 20,038.08 : x
  2. Step 2: Convert to fraction form
    36,805.08/50,791 = 20,038.08/x
  3. Step 3: Cross multiply
    36,805.08x = 50,791 × 20,038.08
  4. Step 4: Simplify right side
    36,805.08x = 1,017,754,121.28
  5. Step 5: Solve for x
    x = 1,017,754,121.28/36,805.08
  6. Step 6: Final answer
    x = 27,652.54

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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.