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Finding the Fourth Proportional to 36,776.85, 55,165.82 and 9,074.85

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Solution

The fourth proportional to 36,776.85, 55,165.82 and 9,074.85 is: 13,612.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,776.85 : 55,165.82 = 9,074.85 : x
  2. Step 2: Convert to fraction form
    36,776.85/55,165.82 = 9,074.85/x
  3. Step 3: Cross multiply
    36,776.85x = 55,165.82 × 9,074.85
  4. Step 4: Simplify right side
    36,776.85x = 500,621,496.25
  5. Step 5: Solve for x
    x = 500,621,496.25/36,776.85
  6. Step 6: Final answer
    x = 13,612.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.