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Finding the Fourth Proportional to 56,997, 85,502.34 and 23,739.60

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Solution

The fourth proportional to 56,997, 85,502.34 and 23,739.60 is: 35,612.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,997 : 85,502.34 = 23,739.60 : x
  2. Step 2: Convert to fraction form
    56,997/85,502.34 = 23,739.60/x
  3. Step 3: Cross multiply
    56,997x = 85,502.34 × 23,739.60
  4. Step 4: Simplify right side
    56,997x = 2,029,791,350.66
  5. Step 5: Solve for x
    x = 2,029,791,350.66/56,997
  6. Step 6: Final answer
    x = 35,612.25

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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.