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Finding the Fourth Proportional to 22,643.44, 33,932.33 and 12,761.69

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Solution

The fourth proportional to 22,643.44, 33,932.33 and 12,761.69 is: 19,124.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,643.44 : 33,932.33 = 12,761.69 : x
  2. Step 2: Convert to fraction form
    22,643.44/33,932.33 = 12,761.69/x
  3. Step 3: Cross multiply
    22,643.44x = 33,932.33 × 12,761.69
  4. Step 4: Simplify right side
    22,643.44x = 433,033,690.82
  5. Step 5: Solve for x
    x = 433,033,690.82/22,643.44
  6. Step 6: Final answer
    x = 19,124.03

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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.