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Finding the Fourth Proportional to 61,015.39, 84,198.77 and 35,522.48

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Solution

The fourth proportional to 61,015.39, 84,198.77 and 35,522.48 is: 49,019.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,015.39 : 84,198.77 = 35,522.48 : x
  2. Step 2: Convert to fraction form
    61,015.39/84,198.77 = 35,522.48/x
  3. Step 3: Cross multiply
    61,015.39x = 84,198.77 × 35,522.48
  4. Step 4: Simplify right side
    61,015.39x = 2,990,949,289.44
  5. Step 5: Solve for x
    x = 2,990,949,289.44/61,015.39
  6. Step 6: Final answer
    x = 49,019.59

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1.5x scale

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.