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Finding the Fourth Proportional to 2,684.94, 3,704.90 and 1,565.75

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Solution

The fourth proportional to 2,684.94, 3,704.90 and 1,565.75 is: 2,160.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.94 : 3,704.90 = 1,565.75 : x
  2. Step 2: Convert to fraction form
    2,684.94/3,704.90 = 1,565.75/x
  3. Step 3: Cross multiply
    2,684.94x = 3,704.90 × 1,565.75
  4. Step 4: Simplify right side
    2,684.94x = 5,800,920.82
  5. Step 5: Solve for x
    x = 5,800,920.82/2,684.94
  6. Step 6: Final answer
    x = 2,160.54

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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.