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Finding the Fourth Proportional to 61,720.50, 92,561.63 and 22,272.50

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Solution

The fourth proportional to 61,720.50, 92,561.63 and 22,272.50 is: 33,401.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,720.50 : 92,561.63 = 22,272.50 : x
  2. Step 2: Convert to fraction form
    61,720.50/92,561.63 = 22,272.50/x
  3. Step 3: Cross multiply
    61,720.50x = 92,561.63 × 22,272.50
  4. Step 4: Simplify right side
    61,720.50x = 2,061,578,904.18
  5. Step 5: Solve for x
    x = 2,061,578,904.18/61,720.50
  6. Step 6: Final answer
    x = 33,401.85

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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.