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Finding the Fourth Proportional to 16,663.12, 22,995.99 and 9,591.82

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Solution

The fourth proportional to 16,663.12, 22,995.99 and 9,591.82 is: 13,237.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,663.12 : 22,995.99 = 9,591.82 : x
  2. Step 2: Convert to fraction form
    16,663.12/22,995.99 = 9,591.82/x
  3. Step 3: Cross multiply
    16,663.12x = 22,995.99 × 9,591.82
  4. Step 4: Simplify right side
    16,663.12x = 220,573,396.80
  5. Step 5: Solve for x
    x = 220,573,396.80/16,663.12
  6. Step 6: Final answer
    x = 13,237.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.