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Finding the Fourth Proportional to 6,462.59, 9,695.09 and 2,078.87

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Solution

The fourth proportional to 6,462.59, 9,695.09 and 2,078.87 is: 3,118.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,462.59 : 9,695.09 = 2,078.87 : x
  2. Step 2: Convert to fraction form
    6,462.59/9,695.09 = 2,078.87/x
  3. Step 3: Cross multiply
    6,462.59x = 9,695.09 × 2,078.87
  4. Step 4: Simplify right side
    6,462.59x = 20,154,788.47
  5. Step 5: Solve for x
    x = 20,154,788.47/6,462.59
  6. Step 6: Final answer
    x = 3,118.69

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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.