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Finding the Fourth Proportional to 22,454.72, 33,663.81 and 8,406.88

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Solution

The fourth proportional to 22,454.72, 33,663.81 and 8,406.88 is: 12,603.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,454.72 : 33,663.81 = 8,406.88 : x
  2. Step 2: Convert to fraction form
    22,454.72/33,663.81 = 8,406.88/x
  3. Step 3: Cross multiply
    22,454.72x = 33,663.81 × 8,406.88
  4. Step 4: Simplify right side
    22,454.72x = 283,007,611.01
  5. Step 5: Solve for x
    x = 283,007,611.01/22,454.72
  6. Step 6: Final answer
    x = 12,603.48

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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.