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Finding the Fourth Proportional to 8,365.66, 12,551.57 and 3,433.98

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Solution

The fourth proportional to 8,365.66, 12,551.57 and 3,433.98 is: 5,152.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365.66 : 12,551.57 = 3,433.98 : x
  2. Step 2: Convert to fraction form
    8,365.66/12,551.57 = 3,433.98/x
  3. Step 3: Cross multiply
    8,365.66x = 12,551.57 × 3,433.98
  4. Step 4: Simplify right side
    8,365.66x = 43,101,760.42
  5. Step 5: Solve for x
    x = 43,101,760.42/8,365.66
  6. Step 6: Final answer
    x = 5,152.22

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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.