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Finding the Fourth Proportional to 2,867.70, 4,302.77 and 1,567.65

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Solution

The fourth proportional to 2,867.70, 4,302.77 and 1,567.65 is: 2,352.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.70 : 4,302.77 = 1,567.65 : x
  2. Step 2: Convert to fraction form
    2,867.70/4,302.77 = 1,567.65/x
  3. Step 3: Cross multiply
    2,867.70x = 4,302.77 × 1,567.65
  4. Step 4: Simplify right side
    2,867.70x = 6,745,229.55
  5. Step 5: Solve for x
    x = 6,745,229.55/2,867.70
  6. Step 6: Final answer
    x = 2,352.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.