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Finding the Fourth Proportional to 53,164.60, 73,353.90 and 34,279

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Solution

The fourth proportional to 53,164.60, 73,353.90 and 34,279 is: 47,296.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,164.60 : 73,353.90 = 34,279 : x
  2. Step 2: Convert to fraction form
    53,164.60/73,353.90 = 34,279/x
  3. Step 3: Cross multiply
    53,164.60x = 73,353.90 × 34,279
  4. Step 4: Simplify right side
    53,164.60x = 2,514,498,338.10
  5. Step 5: Solve for x
    x = 2,514,498,338.10/53,164.60
  6. Step 6: Final answer
    x = 47,296.48

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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.