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Finding the Fourth Proportional to 61,719.88, 92,560.72 and 22,272

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Solution

The fourth proportional to 61,719.88, 92,560.72 and 22,272 is: 33,401.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,719.88 : 92,560.72 = 22,272 : x
  2. Step 2: Convert to fraction form
    61,719.88/92,560.72 = 22,272/x
  3. Step 3: Cross multiply
    61,719.88x = 92,560.72 × 22,272
  4. Step 4: Simplify right side
    61,719.88x = 2,061,512,355.84
  5. Step 5: Solve for x
    x = 2,061,512,355.84/61,719.88
  6. Step 6: Final answer
    x = 33,401.11

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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.