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Finding the Fourth Proportional to 22,218.75, 33,328.08 and 8,897.73

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Solution

The fourth proportional to 22,218.75, 33,328.08 and 8,897.73 is: 13,346.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,218.75 : 33,328.08 = 8,897.73 : x
  2. Step 2: Convert to fraction form
    22,218.75/33,328.08 = 8,897.73/x
  3. Step 3: Cross multiply
    22,218.75x = 33,328.08 × 8,897.73
  4. Step 4: Simplify right side
    22,218.75x = 296,544,257.26
  5. Step 5: Solve for x
    x = 296,544,257.26/22,218.75
  6. Step 6: Final answer
    x = 13,346.58

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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.