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Finding the Fourth Proportional to 12,593.91, 18,893.58 and 3,829.53

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Solution

The fourth proportional to 12,593.91, 18,893.58 and 3,829.53 is: 5,745.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,593.91 : 18,893.58 = 3,829.53 : x
  2. Step 2: Convert to fraction form
    12,593.91/18,893.58 = 3,829.53/x
  3. Step 3: Cross multiply
    12,593.91x = 18,893.58 × 3,829.53
  4. Step 4: Simplify right side
    12,593.91x = 72,353,531.42
  5. Step 5: Solve for x
    x = 72,353,531.42/12,593.91
  6. Step 6: Final answer
    x = 5,745.12

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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.