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Finding the Fourth Proportional to 6,308.62, 8,709.52 and 4,371.90

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Solution

The fourth proportional to 6,308.62, 8,709.52 and 4,371.90 is: 6,035.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,308.62 : 8,709.52 = 4,371.90 : x
  2. Step 2: Convert to fraction form
    6,308.62/8,709.52 = 4,371.90/x
  3. Step 3: Cross multiply
    6,308.62x = 8,709.52 × 4,371.90
  4. Step 4: Simplify right side
    6,308.62x = 38,077,150.49
  5. Step 5: Solve for x
    x = 38,077,150.49/6,308.62
  6. Step 6: Final answer
    x = 6,035.73

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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.