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Finding the Fourth Proportional to 36,221.22, 54,331.86 and 9,926.16

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Solution

The fourth proportional to 36,221.22, 54,331.86 and 9,926.16 is: 14,889.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,221.22 : 54,331.86 = 9,926.16 : x
  2. Step 2: Convert to fraction form
    36,221.22/54,331.86 = 9,926.16/x
  3. Step 3: Cross multiply
    36,221.22x = 54,331.86 × 9,926.16
  4. Step 4: Simplify right side
    36,221.22x = 539,306,735.46
  5. Step 5: Solve for x
    x = 539,306,735.46/36,221.22
  6. Step 6: Final answer
    x = 14,889.25

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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.