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Finding the Fourth Proportional to 12,404.66, 18,607.05 and 6,163.21

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Solution

The fourth proportional to 12,404.66, 18,607.05 and 6,163.21 is: 9,244.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,404.66 : 18,607.05 = 6,163.21 : x
  2. Step 2: Convert to fraction form
    12,404.66/18,607.05 = 6,163.21/x
  3. Step 3: Cross multiply
    12,404.66x = 18,607.05 × 6,163.21
  4. Step 4: Simplify right side
    12,404.66x = 114,679,110.11
  5. Step 5: Solve for x
    x = 114,679,110.11/12,404.66
  6. Step 6: Final answer
    x = 9,244.84

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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.