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Finding the Fourth Proportional to 4,996.85, 7,493.85 and 1,486.71

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Solution

The fourth proportional to 4,996.85, 7,493.85 and 1,486.71 is: 2,229.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,996.85 : 7,493.85 = 1,486.71 : x
  2. Step 2: Convert to fraction form
    4,996.85/7,493.85 = 1,486.71/x
  3. Step 3: Cross multiply
    4,996.85x = 7,493.85 × 1,486.71
  4. Step 4: Simplify right side
    4,996.85x = 11,141,181.73
  5. Step 5: Solve for x
    x = 11,141,181.73/4,996.85
  6. Step 6: Final answer
    x = 2,229.64

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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.