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Finding the Fourth Proportional to 53,163.60, 73,352.52 and 34,278

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Solution

The fourth proportional to 53,163.60, 73,352.52 and 34,278 is: 47,295.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,163.60 : 73,352.52 = 34,278 : x
  2. Step 2: Convert to fraction form
    53,163.60/73,352.52 = 34,278/x
  3. Step 3: Cross multiply
    53,163.60x = 73,352.52 × 34,278
  4. Step 4: Simplify right side
    53,163.60x = 2,514,377,680.56
  5. Step 5: Solve for x
    x = 2,514,377,680.56/53,163.60
  6. Step 6: Final answer
    x = 47,295.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.