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Finding the Fourth Proportional to 63,782.87, 95,674.30 and 19,422.31

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Solution

The fourth proportional to 63,782.87, 95,674.30 and 19,422.31 is: 29,133.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,782.87 : 95,674.30 = 19,422.31 : x
  2. Step 2: Convert to fraction form
    63,782.87/95,674.30 = 19,422.31/x
  3. Step 3: Cross multiply
    63,782.87x = 95,674.30 × 19,422.31
  4. Step 4: Simplify right side
    63,782.87x = 1,858,215,591.83
  5. Step 5: Solve for x
    x = 1,858,215,591.83/63,782.87
  6. Step 6: Final answer
    x = 29,133.46

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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.