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Finding the Fourth Proportional to 2,669.69, 3,684.12 and 1,474.68

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Solution

The fourth proportional to 2,669.69, 3,684.12 and 1,474.68 is: 2,035.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.69 : 3,684.12 = 1,474.68 : x
  2. Step 2: Convert to fraction form
    2,669.69/3,684.12 = 1,474.68/x
  3. Step 3: Cross multiply
    2,669.69x = 3,684.12 × 1,474.68
  4. Step 4: Simplify right side
    2,669.69x = 5,432,898.08
  5. Step 5: Solve for x
    x = 5,432,898.08/2,669.69
  6. Step 6: Final answer
    x = 2,035.03

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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.