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Finding the Fourth Proportional to 3,446.39, 4,747.15 and 2,699.01

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Solution

The fourth proportional to 3,446.39, 4,747.15 and 2,699.01 is: 3,717.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,446.39 : 4,747.15 = 2,699.01 : x
  2. Step 2: Convert to fraction form
    3,446.39/4,747.15 = 2,699.01/x
  3. Step 3: Cross multiply
    3,446.39x = 4,747.15 × 2,699.01
  4. Step 4: Simplify right side
    3,446.39x = 12,812,605.32
  5. Step 5: Solve for x
    x = 12,812,605.32/3,446.39
  6. Step 6: Final answer
    x = 3,717.69

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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.