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Finding the Fourth Proportional to 61,755.29, 85,222.32 and 33,460.97

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Solution

The fourth proportional to 61,755.29, 85,222.32 and 33,460.97 is: 46,176.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,755.29 : 85,222.32 = 33,460.97 : x
  2. Step 2: Convert to fraction form
    61,755.29/85,222.32 = 33,460.97/x
  3. Step 3: Cross multiply
    61,755.29x = 85,222.32 × 33,460.97
  4. Step 4: Simplify right side
    61,755.29x = 2,851,621,492.85
  5. Step 5: Solve for x
    x = 2,851,621,492.85/61,755.29
  6. Step 6: Final answer
    x = 46,176.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.