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Finding the Fourth Proportional to 37,615.77, 51,791.74 and 31,939.29

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Solution

The fourth proportional to 37,615.77, 51,791.74 and 31,939.29 is: 43,976.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,615.77 : 51,791.74 = 31,939.29 : x
  2. Step 2: Convert to fraction form
    37,615.77/51,791.74 = 31,939.29/x
  3. Step 3: Cross multiply
    37,615.77x = 51,791.74 × 31,939.29
  4. Step 4: Simplify right side
    37,615.77x = 1,654,191,323.62
  5. Step 5: Solve for x
    x = 1,654,191,323.62/37,615.77
  6. Step 6: Final answer
    x = 43,976.01

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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.