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Finding the Fourth Proportional to 12,463.76, 18,697.08 and 3,230.48

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Solution

The fourth proportional to 12,463.76, 18,697.08 and 3,230.48 is: 4,846.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463.76 : 18,697.08 = 3,230.48 : x
  2. Step 2: Convert to fraction form
    12,463.76/18,697.08 = 3,230.48/x
  3. Step 3: Cross multiply
    12,463.76x = 18,697.08 × 3,230.48
  4. Step 4: Simplify right side
    12,463.76x = 60,400,543.00
  5. Step 5: Solve for x
    x = 60,400,543.00/12,463.76
  6. Step 6: Final answer
    x = 4,846.09

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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.