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Finding the Fourth Proportional to 14,906.37, 20,568.45 and 8,531.49

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Solution

The fourth proportional to 14,906.37, 20,568.45 and 8,531.49 is: 11,772.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,906.37 : 20,568.45 = 8,531.49 : x
  2. Step 2: Convert to fraction form
    14,906.37/20,568.45 = 8,531.49/x
  3. Step 3: Cross multiply
    14,906.37x = 20,568.45 × 8,531.49
  4. Step 4: Simplify right side
    14,906.37x = 175,479,525.49
  5. Step 5: Solve for x
    x = 175,479,525.49/14,906.37
  6. Step 6: Final answer
    x = 11,772.12

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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.