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Finding the Fourth Proportional to 34,750.97, 47,957.07 and 19,642.73

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Solution

The fourth proportional to 34,750.97, 47,957.07 and 19,642.73 is: 27,107.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,750.97 : 47,957.07 = 19,642.73 : x
  2. Step 2: Convert to fraction form
    34,750.97/47,957.07 = 19,642.73/x
  3. Step 3: Cross multiply
    34,750.97x = 47,957.07 × 19,642.73
  4. Step 4: Simplify right side
    34,750.97x = 942,007,611.48
  5. Step 5: Solve for x
    x = 942,007,611.48/34,750.97
  6. Step 6: Final answer
    x = 27,107.38

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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.