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Finding the Fourth Proportional to 69,591.71, 104,378.21 and 19,675.73

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Solution

The fourth proportional to 69,591.71, 104,378.21 and 19,675.73 is: 29,510.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,591.71 : 104,378.21 = 19,675.73 : x
  2. Step 2: Convert to fraction form
    69,591.71/104,378.21 = 19,675.73/x
  3. Step 3: Cross multiply
    69,591.71x = 104,378.21 × 19,675.73
  4. Step 4: Simplify right side
    69,591.71x = 2,053,717,379.46
  5. Step 5: Solve for x
    x = 2,053,717,379.46/69,591.71
  6. Step 6: Final answer
    x = 29,510.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.