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Finding the Fourth Proportional to 8,031.62, 12,040.94 and 3,355.22

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Solution

The fourth proportional to 8,031.62, 12,040.94 and 3,355.22 is: 5,030.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,031.62 : 12,040.94 = 3,355.22 : x
  2. Step 2: Convert to fraction form
    8,031.62/12,040.94 = 3,355.22/x
  3. Step 3: Cross multiply
    8,031.62x = 12,040.94 × 3,355.22
  4. Step 4: Simplify right side
    8,031.62x = 40,399,950.89
  5. Step 5: Solve for x
    x = 40,399,950.89/8,031.62
  6. Step 6: Final answer
    x = 5,030.11

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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.