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Finding the Fourth Proportional to 11,425.53, 17,136.53 and 4,408.83

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Solution

The fourth proportional to 11,425.53, 17,136.53 and 4,408.83 is: 6,612.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,425.53 : 17,136.53 = 4,408.83 : x
  2. Step 2: Convert to fraction form
    11,425.53/17,136.53 = 4,408.83/x
  3. Step 3: Cross multiply
    11,425.53x = 17,136.53 × 4,408.83
  4. Step 4: Simplify right side
    11,425.53x = 75,552,025.52
  5. Step 5: Solve for x
    x = 75,552,025.52/11,425.53
  6. Step 6: Final answer
    x = 6,612.56

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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.