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Finding the Fourth Proportional to 43,553.88, 65,324.66 and 13,967.87

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Solution

The fourth proportional to 43,553.88, 65,324.66 and 13,967.87 is: 20,949.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,553.88 : 65,324.66 = 13,967.87 : x
  2. Step 2: Convert to fraction form
    43,553.88/65,324.66 = 13,967.87/x
  3. Step 3: Cross multiply
    43,553.88x = 65,324.66 × 13,967.87
  4. Step 4: Simplify right side
    43,553.88x = 912,446,283.43
  5. Step 5: Solve for x
    x = 912,446,283.43/43,553.88
  6. Step 6: Final answer
    x = 20,949.83

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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.