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Finding the Fourth Proportional to 3,464.96, 5,198.36 and 999.74

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Solution

The fourth proportional to 3,464.96, 5,198.36 and 999.74 is: 1,499.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.96 : 5,198.36 = 999.74 : x
  2. Step 2: Convert to fraction form
    3,464.96/5,198.36 = 999.74/x
  3. Step 3: Cross multiply
    3,464.96x = 5,198.36 × 999.74
  4. Step 4: Simplify right side
    3,464.96x = 5,197,008.43
  5. Step 5: Solve for x
    x = 5,197,008.43/3,464.96
  6. Step 6: Final answer
    x = 1,499.88

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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.