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Finding the Fourth Proportional to 35,560.70, 49,073.06 and 19,645

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Solution

The fourth proportional to 35,560.70, 49,073.06 and 19,645 is: 27,109.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,560.70 : 49,073.06 = 19,645 : x
  2. Step 2: Convert to fraction form
    35,560.70/49,073.06 = 19,645/x
  3. Step 3: Cross multiply
    35,560.70x = 49,073.06 × 19,645
  4. Step 4: Simplify right side
    35,560.70x = 964,040,263.70
  5. Step 5: Solve for x
    x = 964,040,263.70/35,560.70
  6. Step 6: Final answer
    x = 27,109.71

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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.