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Finding the Fourth Proportional to 21,737.97, 32,609.34 and 6,943.41

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Solution

The fourth proportional to 21,737.97, 32,609.34 and 6,943.41 is: 10,415.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,737.97 : 32,609.34 = 6,943.41 : x
  2. Step 2: Convert to fraction form
    21,737.97/32,609.34 = 6,943.41/x
  3. Step 3: Cross multiply
    21,737.97x = 32,609.34 × 6,943.41
  4. Step 4: Simplify right side
    21,737.97x = 226,420,017.45
  5. Step 5: Solve for x
    x = 226,420,017.45/21,737.97
  6. Step 6: Final answer
    x = 10,415.88

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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.