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Finding the Fourth Proportional to 8,308.76, 12,459.54 and 2,463.80

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Solution

The fourth proportional to 8,308.76, 12,459.54 and 2,463.80 is: 3,694.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308.76 : 12,459.54 = 2,463.80 : x
  2. Step 2: Convert to fraction form
    8,308.76/12,459.54 = 2,463.80/x
  3. Step 3: Cross multiply
    8,308.76x = 12,459.54 × 2,463.80
  4. Step 4: Simplify right side
    8,308.76x = 30,697,814.65
  5. Step 5: Solve for x
    x = 30,697,814.65/8,308.76
  6. Step 6: Final answer
    x = 3,694.63

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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.