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Finding the Fourth Proportional to 21,947.26, 32,924.99 and 8,800.66

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Solution

The fourth proportional to 21,947.26, 32,924.99 and 8,800.66 is: 13,202.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,947.26 : 32,924.99 = 8,800.66 : x
  2. Step 2: Convert to fraction form
    21,947.26/32,924.99 = 8,800.66/x
  3. Step 3: Cross multiply
    21,947.26x = 32,924.99 × 8,800.66
  4. Step 4: Simplify right side
    21,947.26x = 289,761,642.49
  5. Step 5: Solve for x
    x = 289,761,642.49/21,947.26
  6. Step 6: Final answer
    x = 13,202.63

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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.