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Finding the Fourth Proportional to 8,173.99, 12,265.11 and 3,731.15

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Solution

The fourth proportional to 8,173.99, 12,265.11 and 3,731.15 is: 5,598.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.99 : 12,265.11 = 3,731.15 : x
  2. Step 2: Convert to fraction form
    8,173.99/12,265.11 = 3,731.15/x
  3. Step 3: Cross multiply
    8,173.99x = 12,265.11 × 3,731.15
  4. Step 4: Simplify right side
    8,173.99x = 45,762,965.18
  5. Step 5: Solve for x
    x = 45,762,965.18/8,173.99
  6. Step 6: Final answer
    x = 5,598.61

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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.