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Finding the Fourth Proportional to 61,210.79, 91,745.11 and 34,933.98

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Solution

The fourth proportional to 61,210.79, 91,745.11 and 34,933.98 is: 52,360.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,210.79 : 91,745.11 = 34,933.98 : x
  2. Step 2: Convert to fraction form
    61,210.79/91,745.11 = 34,933.98/x
  3. Step 3: Cross multiply
    61,210.79x = 91,745.11 × 34,933.98
  4. Step 4: Simplify right side
    61,210.79x = 3,205,022,029.05
  5. Step 5: Solve for x
    x = 3,205,022,029.05/61,210.79
  6. Step 6: Final answer
    x = 52,360.41

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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.