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Finding the Fourth Proportional to 56,361.34, 84,558.48 and 25,189.30

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Solution

The fourth proportional to 56,361.34, 84,558.48 and 25,189.30 is: 37,791.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,361.34 : 84,558.48 = 25,189.30 : x
  2. Step 2: Convert to fraction form
    56,361.34/84,558.48 = 25,189.30/x
  3. Step 3: Cross multiply
    56,361.34x = 84,558.48 × 25,189.30
  4. Step 4: Simplify right side
    56,361.34x = 2,129,968,920.26
  5. Step 5: Solve for x
    x = 2,129,968,920.26/56,361.34
  6. Step 6: Final answer
    x = 37,791.31

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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.