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Finding the Fourth Proportional to 61,372.88, 91,997.40 and 23,909.52

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Solution

The fourth proportional to 61,372.88, 91,997.40 and 23,909.52 is: 35,840.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,372.88 : 91,997.40 = 23,909.52 : x
  2. Step 2: Convert to fraction form
    61,372.88/91,997.40 = 23,909.52/x
  3. Step 3: Cross multiply
    61,372.88x = 91,997.40 × 23,909.52
  4. Step 4: Simplify right side
    61,372.88x = 2,199,613,675.25
  5. Step 5: Solve for x
    x = 2,199,613,675.25/61,372.88
  6. Step 6: Final answer
    x = 35,840.16

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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.