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Finding the Fourth Proportional to 35,796.44, 49,397.70 and 19,881.90

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Solution

The fourth proportional to 35,796.44, 49,397.70 and 19,881.90 is: 27,436.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,796.44 : 49,397.70 = 19,881.90 : x
  2. Step 2: Convert to fraction form
    35,796.44/49,397.70 = 19,881.90/x
  3. Step 3: Cross multiply
    35,796.44x = 49,397.70 × 19,881.90
  4. Step 4: Simplify right side
    35,796.44x = 982,120,131.63
  5. Step 5: Solve for x
    x = 982,120,131.63/35,796.44
  6. Step 6: Final answer
    x = 27,436.25

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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.