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Finding the Fourth Proportional to 50,761.51, 70,049.77 and 27,791.28

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Solution

The fourth proportional to 50,761.51, 70,049.77 and 27,791.28 is: 38,351.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,761.51 : 70,049.77 = 27,791.28 : x
  2. Step 2: Convert to fraction form
    50,761.51/70,049.77 = 27,791.28/x
  3. Step 3: Cross multiply
    50,761.51x = 70,049.77 × 27,791.28
  4. Step 4: Simplify right side
    50,761.51x = 1,946,772,702.53
  5. Step 5: Solve for x
    x = 1,946,772,702.53/50,761.51
  6. Step 6: Final answer
    x = 38,351.36

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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.