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Finding the Fourth Proportional to 63,963.40, 95,952.30 and 19,589.80

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Solution

The fourth proportional to 63,963.40, 95,952.30 and 19,589.80 is: 29,386.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,963.40 : 95,952.30 = 19,589.80 : x
  2. Step 2: Convert to fraction form
    63,963.40/95,952.30 = 19,589.80/x
  3. Step 3: Cross multiply
    63,963.40x = 95,952.30 × 19,589.80
  4. Step 4: Simplify right side
    63,963.40x = 1,879,686,366.54
  5. Step 5: Solve for x
    x = 1,879,686,366.54/63,963.40
  6. Step 6: Final answer
    x = 29,386.91

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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.