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Finding the Fourth Proportional to 16,240.62, 24,356.63 and 6,379.99

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Solution

The fourth proportional to 16,240.62, 24,356.63 and 6,379.99 is: 9,568.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,240.62 : 24,356.63 = 6,379.99 : x
  2. Step 2: Convert to fraction form
    16,240.62/24,356.63 = 6,379.99/x
  3. Step 3: Cross multiply
    16,240.62x = 24,356.63 × 6,379.99
  4. Step 4: Simplify right side
    16,240.62x = 155,395,055.83
  5. Step 5: Solve for x
    x = 155,395,055.83/16,240.62
  6. Step 6: Final answer
    x = 9,568.30

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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.