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Finding the Fourth Proportional to 16,797.74, 25,162.04 and 9,855.50

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Solution

The fourth proportional to 16,797.74, 25,162.04 and 9,855.50 is: 14,762.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,797.74 : 25,162.04 = 9,855.50 : x
  2. Step 2: Convert to fraction form
    16,797.74/25,162.04 = 9,855.50/x
  3. Step 3: Cross multiply
    16,797.74x = 25,162.04 × 9,855.50
  4. Step 4: Simplify right side
    16,797.74x = 247,984,485.22
  5. Step 5: Solve for x
    x = 247,984,485.22/16,797.74
  6. Step 6: Final answer
    x = 14,762.97

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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.