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Finding the Fourth Proportional to 52,800.62, 79,208.62 and 15,355.82

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Solution

The fourth proportional to 52,800.62, 79,208.62 and 15,355.82 is: 23,035.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,800.62 : 79,208.62 = 15,355.82 : x
  2. Step 2: Convert to fraction form
    52,800.62/79,208.62 = 15,355.82/x
  3. Step 3: Cross multiply
    52,800.62x = 79,208.62 × 15,355.82
  4. Step 4: Simplify right side
    52,800.62x = 1,216,313,470.80
  5. Step 5: Solve for x
    x = 1,216,313,470.80/52,800.62
  6. Step 6: Final answer
    x = 23,035.97

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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.