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Finding the Fourth Proportional to 22,116.90, 33,175.35 and 8,265.90

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Solution

The fourth proportional to 22,116.90, 33,175.35 and 8,265.90 is: 12,398.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,116.90 : 33,175.35 = 8,265.90 : x
  2. Step 2: Convert to fraction form
    22,116.90/33,175.35 = 8,265.90/x
  3. Step 3: Cross multiply
    22,116.90x = 33,175.35 × 8,265.90
  4. Step 4: Simplify right side
    22,116.90x = 274,224,125.57
  5. Step 5: Solve for x
    x = 274,224,125.57/22,116.90
  6. Step 6: Final answer
    x = 12,398.85

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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.