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Finding the Fourth Proportional to 21,952.17, 32,905.13 and 9,469.26

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Solution

The fourth proportional to 21,952.17, 32,905.13 and 9,469.26 is: 14,193.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,952.17 : 32,905.13 = 9,469.26 : x
  2. Step 2: Convert to fraction form
    21,952.17/32,905.13 = 9,469.26/x
  3. Step 3: Cross multiply
    21,952.17x = 32,905.13 × 9,469.26
  4. Step 4: Simplify right side
    21,952.17x = 311,587,183.96
  5. Step 5: Solve for x
    x = 311,587,183.96/21,952.17
  6. Step 6: Final answer
    x = 14,193.91

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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.