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Finding the Fourth Proportional to 8,998.43, 13,493.24 and 3,154.19

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Solution

The fourth proportional to 8,998.43, 13,493.24 and 3,154.19 is: 4,729.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.43 : 13,493.24 = 3,154.19 : x
  2. Step 2: Convert to fraction form
    8,998.43/13,493.24 = 3,154.19/x
  3. Step 3: Cross multiply
    8,998.43x = 13,493.24 × 3,154.19
  4. Step 4: Simplify right side
    8,998.43x = 42,560,260.64
  5. Step 5: Solve for x
    x = 42,560,260.64/8,998.43
  6. Step 6: Final answer
    x = 4,729.74

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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.