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Finding the Fourth Proportional to 50,085, 69,121.62 and 27,733.32

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Solution

The fourth proportional to 50,085, 69,121.62 and 27,733.32 is: 38,274.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,085 : 69,121.62 = 27,733.32 : x
  2. Step 2: Convert to fraction form
    50,085/69,121.62 = 27,733.32/x
  3. Step 3: Cross multiply
    50,085x = 69,121.62 × 27,733.32
  4. Step 4: Simplify right side
    50,085x = 1,916,972,006.38
  5. Step 5: Solve for x
    x = 1,916,972,006.38/50,085
  6. Step 6: Final answer
    x = 38,274.37

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Double scale
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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.