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Finding the Fourth Proportional to 35,910, 49,554.80 and 19,994.44

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Solution

The fourth proportional to 35,910, 49,554.80 and 19,994.44 is: 27,591.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,910 : 49,554.80 = 19,994.44 : x
  2. Step 2: Convert to fraction form
    35,910/49,554.80 = 19,994.44/x
  3. Step 3: Cross multiply
    35,910x = 49,554.80 × 19,994.44
  4. Step 4: Simplify right side
    35,910x = 990,820,475.31
  5. Step 5: Solve for x
    x = 990,820,475.31/35,910
  6. Step 6: Final answer
    x = 27,591.77

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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.