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Finding the Fourth Proportional to 52,798.58, 79,198.21 and 13,355.69

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Solution

The fourth proportional to 52,798.58, 79,198.21 and 13,355.69 is: 20,033.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,798.58 : 79,198.21 = 13,355.69 : x
  2. Step 2: Convert to fraction form
    52,798.58/79,198.21 = 13,355.69/x
  3. Step 3: Cross multiply
    52,798.58x = 79,198.21 × 13,355.69
  4. Step 4: Simplify right side
    52,798.58x = 1,057,746,286.89
  5. Step 5: Solve for x
    x = 1,057,746,286.89/52,798.58
  6. Step 6: Final answer
    x = 20,033.61

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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.