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Finding the Fourth Proportional to 22,149, 33,234.42 and 19,240.26

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Solution

The fourth proportional to 22,149, 33,234.42 and 19,240.26 is: 28,869.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,149 : 33,234.42 = 19,240.26 : x
  2. Step 2: Convert to fraction form
    22,149/33,234.42 = 19,240.26/x
  3. Step 3: Cross multiply
    22,149x = 33,234.42 × 19,240.26
  4. Step 4: Simplify right side
    22,149x = 639,438,881.75
  5. Step 5: Solve for x
    x = 639,438,881.75/22,149
  6. Step 6: Final answer
    x = 28,869.88

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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.