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Finding the Fourth Proportional to 6,162, 8,503.56 and 4,066.53

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Solution

The fourth proportional to 6,162, 8,503.56 and 4,066.53 is: 5,611.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,162 : 8,503.56 = 4,066.53 : x
  2. Step 2: Convert to fraction form
    6,162/8,503.56 = 4,066.53/x
  3. Step 3: Cross multiply
    6,162x = 8,503.56 × 4,066.53
  4. Step 4: Simplify right side
    6,162x = 34,579,981.85
  5. Step 5: Solve for x
    x = 34,579,981.85/6,162
  6. Step 6: Final answer
    x = 5,611.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.