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Finding the Fourth Proportional to 22,391.22, 33,564.96 and 8,340.96

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Solution

The fourth proportional to 22,391.22, 33,564.96 and 8,340.96 is: 12,503.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,391.22 : 33,564.96 = 8,340.96 : x
  2. Step 2: Convert to fraction form
    22,391.22/33,564.96 = 8,340.96/x
  3. Step 3: Cross multiply
    22,391.22x = 33,564.96 × 8,340.96
  4. Step 4: Simplify right side
    22,391.22x = 279,963,988.76
  5. Step 5: Solve for x
    x = 279,963,988.76/22,391.22
  6. Step 6: Final answer
    x = 12,503.29

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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.