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Finding the Fourth Proportional to 52,479.66, 78,738.28 and 22,481.30

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Solution

The fourth proportional to 52,479.66, 78,738.28 and 22,481.30 is: 33,730.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,479.66 : 78,738.28 = 22,481.30 : x
  2. Step 2: Convert to fraction form
    52,479.66/78,738.28 = 22,481.30/x
  3. Step 3: Cross multiply
    52,479.66x = 78,738.28 × 22,481.30
  4. Step 4: Simplify right side
    52,479.66x = 1,770,138,894.16
  5. Step 5: Solve for x
    x = 1,770,138,894.16/52,479.66
  6. Step 6: Final answer
    x = 33,730.00

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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.