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Finding the Fourth Proportional to 9,998.28, 14,996.88 and 3,757.82

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Solution

The fourth proportional to 9,998.28, 14,996.88 and 3,757.82 is: 5,636.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,998.28 : 14,996.88 = 3,757.82 : x
  2. Step 2: Convert to fraction form
    9,998.28/14,996.88 = 3,757.82/x
  3. Step 3: Cross multiply
    9,998.28x = 14,996.88 × 3,757.82
  4. Step 4: Simplify right side
    9,998.28x = 56,355,500.62
  5. Step 5: Solve for x
    x = 56,355,500.62/9,998.28
  6. Step 6: Final answer
    x = 5,636.52

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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.