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Finding the Fourth Proportional to 24,422.99, 33,687.69 and 19,379.21

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Solution

The fourth proportional to 24,422.99, 33,687.69 and 19,379.21 is: 26,730.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,422.99 : 33,687.69 = 19,379.21 : x
  2. Step 2: Convert to fraction form
    24,422.99/33,687.69 = 19,379.21/x
  3. Step 3: Cross multiply
    24,422.99x = 33,687.69 × 19,379.21
  4. Step 4: Simplify right side
    24,422.99x = 652,840,650.49
  5. Step 5: Solve for x
    x = 652,840,650.49/24,422.99
  6. Step 6: Final answer
    x = 26,730.58

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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.