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Finding the Fourth Proportional to 29,335.40, 43,997.70 and 18,222.20

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Solution

The fourth proportional to 29,335.40, 43,997.70 and 18,222.20 is: 27,329.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,335.40 : 43,997.70 = 18,222.20 : x
  2. Step 2: Convert to fraction form
    29,335.40/43,997.70 = 18,222.20/x
  3. Step 3: Cross multiply
    29,335.40x = 43,997.70 × 18,222.20
  4. Step 4: Simplify right side
    29,335.40x = 801,734,888.94
  5. Step 5: Solve for x
    x = 801,734,888.94/29,335.40
  6. Step 6: Final answer
    x = 27,329.95

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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.