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Finding the Fourth Proportional to 63,847.90, 95,781.98 and 19,464.49

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Solution

The fourth proportional to 63,847.90, 95,781.98 and 19,464.49 is: 29,199.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,847.90 : 95,781.98 = 19,464.49 : x
  2. Step 2: Convert to fraction form
    63,847.90/95,781.98 = 19,464.49/x
  3. Step 3: Cross multiply
    63,847.90x = 95,781.98 × 19,464.49
  4. Step 4: Simplify right side
    63,847.90x = 1,864,347,391.89
  5. Step 5: Solve for x
    x = 1,864,347,391.89/63,847.90
  6. Step 6: Final answer
    x = 29,199.82

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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.