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Finding the Fourth Proportional to 61,837.44, 92,755.02 and 57,021.72

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Solution

The fourth proportional to 61,837.44, 92,755.02 and 57,021.72 is: 85,531.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,837.44 : 92,755.02 = 57,021.72 : x
  2. Step 2: Convert to fraction form
    61,837.44/92,755.02 = 57,021.72/x
  3. Step 3: Cross multiply
    61,837.44x = 92,755.02 × 57,021.72
  4. Step 4: Simplify right side
    61,837.44x = 5,289,050,779.03
  5. Step 5: Solve for x
    x = 5,289,050,779.03/61,837.44
  6. Step 6: Final answer
    x = 85,531.53

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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.