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Finding the Fourth Proportional to 61,879.50, 85,394.98 and 35,022

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Solution

The fourth proportional to 61,879.50, 85,394.98 and 35,022 is: 48,331.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,879.50 : 85,394.98 = 35,022 : x
  2. Step 2: Convert to fraction form
    61,879.50/85,394.98 = 35,022/x
  3. Step 3: Cross multiply
    61,879.50x = 85,394.98 × 35,022
  4. Step 4: Simplify right side
    61,879.50x = 2,990,702,989.56
  5. Step 5: Solve for x
    x = 2,990,702,989.56/61,879.50
  6. Step 6: Final answer
    x = 48,331.08

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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.