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Finding the Fourth Proportional to 3,484.53, 5,223.11 and 1,634.09

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Solution

The fourth proportional to 3,484.53, 5,223.11 and 1,634.09 is: 2,449.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,484.53 : 5,223.11 = 1,634.09 : x
  2. Step 2: Convert to fraction form
    3,484.53/5,223.11 = 1,634.09/x
  3. Step 3: Cross multiply
    3,484.53x = 5,223.11 × 1,634.09
  4. Step 4: Simplify right side
    3,484.53x = 8,534,997.53
  5. Step 5: Solve for x
    x = 8,534,997.53/3,484.53
  6. Step 6: Final answer
    x = 2,449.40

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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.