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Finding the Fourth Proportional to 29,219.98, 43,816.98 and 18,126.22

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Solution

The fourth proportional to 29,219.98, 43,816.98 and 18,126.22 is: 27,181.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,219.98 : 43,816.98 = 18,126.22 : x
  2. Step 2: Convert to fraction form
    29,219.98/43,816.98 = 18,126.22/x
  3. Step 3: Cross multiply
    29,219.98x = 43,816.98 × 18,126.22
  4. Step 4: Simplify right side
    29,219.98x = 794,236,219.22
  5. Step 5: Solve for x
    x = 794,236,219.22/29,219.98
  6. Step 6: Final answer
    x = 27,181.27

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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.