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Finding the Fourth Proportional to 35,606, 49,135.46 and 19,690.58

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Solution

The fourth proportional to 35,606, 49,135.46 and 19,690.58 is: 27,172.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,606 : 49,135.46 = 19,690.58 : x
  2. Step 2: Convert to fraction form
    35,606/49,135.46 = 19,690.58/x
  3. Step 3: Cross multiply
    35,606x = 49,135.46 × 19,690.58
  4. Step 4: Simplify right side
    35,606x = 967,505,705.97
  5. Step 5: Solve for x
    x = 967,505,705.97/35,606
  6. Step 6: Final answer
    x = 27,172.55

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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.