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Finding the Fourth Proportional to 63,968.90, 95,905.96 and 30,657.26

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Solution

The fourth proportional to 63,968.90, 95,905.96 and 30,657.26 is: 45,963.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,968.90 : 95,905.96 = 30,657.26 : x
  2. Step 2: Convert to fraction form
    63,968.90/95,905.96 = 30,657.26/x
  3. Step 3: Cross multiply
    63,968.90x = 95,905.96 × 30,657.26
  4. Step 4: Simplify right side
    63,968.90x = 2,940,213,951.27
  5. Step 5: Solve for x
    x = 2,940,213,951.27/63,968.90
  6. Step 6: Final answer
    x = 45,963.18

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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.