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Finding the Fourth Proportional to 22,366.53, 30,865.73 and 12,295.60

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Solution

The fourth proportional to 22,366.53, 30,865.73 and 12,295.60 is: 16,967.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,366.53 : 30,865.73 = 12,295.60 : x
  2. Step 2: Convert to fraction form
    22,366.53/30,865.73 = 12,295.60/x
  3. Step 3: Cross multiply
    22,366.53x = 30,865.73 × 12,295.60
  4. Step 4: Simplify right side
    22,366.53x = 379,512,531.15
  5. Step 5: Solve for x
    x = 379,512,531.15/22,366.53
  6. Step 6: Final answer
    x = 16,967.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.