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Finding the Fourth Proportional to 36,881.22, 55,321.76 and 9,179.22

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Solution

The fourth proportional to 36,881.22, 55,321.76 and 9,179.22 is: 13,768.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,881.22 : 55,321.76 = 9,179.22 : x
  2. Step 2: Convert to fraction form
    36,881.22/55,321.76 = 9,179.22/x
  3. Step 3: Cross multiply
    36,881.22x = 55,321.76 × 9,179.22
  4. Step 4: Simplify right side
    36,881.22x = 507,810,605.83
  5. Step 5: Solve for x
    x = 507,810,605.83/36,881.22
  6. Step 6: Final answer
    x = 13,768.81

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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.