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Finding the Fourth Proportional to 63,991.65, 95,848.95 and 46,422.75

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Solution

The fourth proportional to 63,991.65, 95,848.95 and 46,422.75 is: 69,533.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,991.65 : 95,848.95 = 46,422.75 : x
  2. Step 2: Convert to fraction form
    63,991.65/95,848.95 = 46,422.75/x
  3. Step 3: Cross multiply
    63,991.65x = 95,848.95 × 46,422.75
  4. Step 4: Simplify right side
    63,991.65x = 4,449,571,843.61
  5. Step 5: Solve for x
    x = 4,449,571,843.61/63,991.65
  6. Step 6: Final answer
    x = 69,533.63

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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.