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Finding the Fourth Proportional to 6,121.14, 8,446.13 and 3,468

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Solution

The fourth proportional to 6,121.14, 8,446.13 and 3,468 is: 4,785.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.14 : 8,446.13 = 3,468 : x
  2. Step 2: Convert to fraction form
    6,121.14/8,446.13 = 3,468/x
  3. Step 3: Cross multiply
    6,121.14x = 8,446.13 × 3,468
  4. Step 4: Simplify right side
    6,121.14x = 29,291,178.84
  5. Step 5: Solve for x
    x = 29,291,178.84/6,121.14
  6. Step 6: Final answer
    x = 4,785.25

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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.