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Finding the Fourth Proportional to 17,712.40, 26,568.60 and 16,099.60

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Solution

The fourth proportional to 17,712.40, 26,568.60 and 16,099.60 is: 24,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,712.40 : 26,568.60 = 16,099.60 : x
  2. Step 2: Convert to fraction form
    17,712.40/26,568.60 = 16,099.60/x
  3. Step 3: Cross multiply
    17,712.40x = 26,568.60 × 16,099.60
  4. Step 4: Simplify right side
    17,712.40x = 427,743,832.56
  5. Step 5: Solve for x
    x = 427,743,832.56/17,712.40
  6. Step 6: Final answer
    x = 24,149.40

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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.