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Finding the Fourth Proportional to 22,234.80, 33,323.40 and 19,642.80

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Solution

The fourth proportional to 22,234.80, 33,323.40 and 19,642.80 is: 29,438.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,234.80 : 33,323.40 = 19,642.80 : x
  2. Step 2: Convert to fraction form
    22,234.80/33,323.40 = 19,642.80/x
  3. Step 3: Cross multiply
    22,234.80x = 33,323.40 × 19,642.80
  4. Step 4: Simplify right side
    22,234.80x = 654,564,881.52
  5. Step 5: Solve for x
    x = 654,564,881.52/22,234.80
  6. Step 6: Final answer
    x = 29,438.76

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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.