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Finding the Fourth Proportional to 35,755.62, 49,340.61 and 19,839.12

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Solution

The fourth proportional to 35,755.62, 49,340.61 and 19,839.12 is: 27,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,755.62 : 49,340.61 = 19,839.12 : x
  2. Step 2: Convert to fraction form
    35,755.62/49,340.61 = 19,839.12/x
  3. Step 3: Cross multiply
    35,755.62x = 49,340.61 × 19,839.12
  4. Step 4: Simplify right side
    35,755.62x = 978,874,282.66
  5. Step 5: Solve for x
    x = 978,874,282.66/35,755.62
  6. Step 6: Final answer
    x = 27,376.80

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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.