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Finding the Fourth Proportional to 8,153.69, 12,232.29 and 2,531.25

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Solution

The fourth proportional to 8,153.69, 12,232.29 and 2,531.25 is: 3,797.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.69 : 12,232.29 = 2,531.25 : x
  2. Step 2: Convert to fraction form
    8,153.69/12,232.29 = 2,531.25/x
  3. Step 3: Cross multiply
    8,153.69x = 12,232.29 × 2,531.25
  4. Step 4: Simplify right side
    8,153.69x = 30,962,910.24
  5. Step 5: Solve for x
    x = 30,962,910.24/8,153.69
  6. Step 6: Final answer
    x = 3,797.41

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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.