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Finding the Fourth Proportional to 60,712, 91,083.36 and 16,936

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Solution

The fourth proportional to 60,712, 91,083.36 and 16,936 is: 25,408.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,712 : 91,083.36 = 16,936 : x
  2. Step 2: Convert to fraction form
    60,712/91,083.36 = 16,936/x
  3. Step 3: Cross multiply
    60,712x = 91,083.36 × 16,936
  4. Step 4: Simplify right side
    60,712x = 1,542,587,784.96
  5. Step 5: Solve for x
    x = 1,542,587,784.96/60,712
  6. Step 6: Final answer
    x = 25,408.28

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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.