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Finding the Fourth Proportional to 34,903.88, 48,163.70 and 19,791.71

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Solution

The fourth proportional to 34,903.88, 48,163.70 and 19,791.71 is: 27,310.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,903.88 : 48,163.70 = 19,791.71 : x
  2. Step 2: Convert to fraction form
    34,903.88/48,163.70 = 19,791.71/x
  3. Step 3: Cross multiply
    34,903.88x = 48,163.70 × 19,791.71
  4. Step 4: Simplify right side
    34,903.88x = 953,241,791.59
  5. Step 5: Solve for x
    x = 953,241,791.59/34,903.88
  6. Step 6: Final answer
    x = 27,310.49

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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.