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Finding the Fourth Proportional to 36,984, 55,489.96 and 22,203.20

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Solution

The fourth proportional to 36,984, 55,489.96 and 22,203.20 is: 33,313.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,984 : 55,489.96 = 22,203.20 : x
  2. Step 2: Convert to fraction form
    36,984/55,489.96 = 22,203.20/x
  3. Step 3: Cross multiply
    36,984x = 55,489.96 × 22,203.20
  4. Step 4: Simplify right side
    36,984x = 1,232,054,679.87
  5. Step 5: Solve for x
    x = 1,232,054,679.87/36,984
  6. Step 6: Final answer
    x = 33,313.18

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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.