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Finding the Fourth Proportional to 53,365.52, 73,644.64 and 29,166.97

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Solution

The fourth proportional to 53,365.52, 73,644.64 and 29,166.97 is: 40,250.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,365.52 : 73,644.64 = 29,166.97 : x
  2. Step 2: Convert to fraction form
    53,365.52/73,644.64 = 29,166.97/x
  3. Step 3: Cross multiply
    53,365.52x = 73,644.64 × 29,166.97
  4. Step 4: Simplify right side
    53,365.52x = 2,147,991,050.66
  5. Step 5: Solve for x
    x = 2,147,991,050.66/53,365.52
  6. Step 6: Final answer
    x = 40,250.54

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1.5x scale

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.