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Finding the Fourth Proportional to 63,453.95, 95,113.94 and 21,294.06

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Solution

The fourth proportional to 63,453.95, 95,113.94 and 21,294.06 is: 31,918.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,453.95 : 95,113.94 = 21,294.06 : x
  2. Step 2: Convert to fraction form
    63,453.95/95,113.94 = 21,294.06/x
  3. Step 3: Cross multiply
    63,453.95x = 95,113.94 × 21,294.06
  4. Step 4: Simplify right side
    63,453.95x = 2,025,361,469.63
  5. Step 5: Solve for x
    x = 2,025,361,469.63/63,453.95
  6. Step 6: Final answer
    x = 31,918.61

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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.