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Finding the Fourth Proportional to 61,161.99, 84,408.63 and 33,940.64

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Solution

The fourth proportional to 61,161.99, 84,408.63 and 33,940.64 is: 46,840.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,161.99 : 84,408.63 = 33,940.64 : x
  2. Step 2: Convert to fraction form
    61,161.99/84,408.63 = 33,940.64/x
  3. Step 3: Cross multiply
    61,161.99x = 84,408.63 × 33,940.64
  4. Step 4: Simplify right side
    61,161.99x = 2,864,882,501.68
  5. Step 5: Solve for x
    x = 2,864,882,501.68/61,161.99
  6. Step 6: Final answer
    x = 46,840.90

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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.