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Finding the Fourth Proportional to 22,285.54, 33,426.63 and 8,239

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Solution

The fourth proportional to 22,285.54, 33,426.63 and 8,239 is: 12,357.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,285.54 : 33,426.63 = 8,239 : x
  2. Step 2: Convert to fraction form
    22,285.54/33,426.63 = 8,239/x
  3. Step 3: Cross multiply
    22,285.54x = 33,426.63 × 8,239
  4. Step 4: Simplify right side
    22,285.54x = 275,402,004.57
  5. Step 5: Solve for x
    x = 275,402,004.57/22,285.54
  6. Step 6: Final answer
    x = 12,357.88

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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.