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Finding the Fourth Proportional to 36,736.80, 50,696.16 and 19,969.68

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Solution

The fourth proportional to 36,736.80, 50,696.16 and 19,969.68 is: 27,557.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,736.80 : 50,696.16 = 19,969.68 : x
  2. Step 2: Convert to fraction form
    36,736.80/50,696.16 = 19,969.68/x
  3. Step 3: Cross multiply
    36,736.80x = 50,696.16 × 19,969.68
  4. Step 4: Simplify right side
    36,736.80x = 1,012,386,092.43
  5. Step 5: Solve for x
    x = 1,012,386,092.43/36,736.80
  6. Step 6: Final answer
    x = 27,557.82

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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.