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Finding the Fourth Proportional to 81,798.82, 122,698.08 and 22,634.32

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Solution

The fourth proportional to 81,798.82, 122,698.08 and 22,634.32 is: 33,951.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,798.82 : 122,698.08 = 22,634.32 : x
  2. Step 2: Convert to fraction form
    81,798.82/122,698.08 = 22,634.32/x
  3. Step 3: Cross multiply
    81,798.82x = 122,698.08 × 22,634.32
  4. Step 4: Simplify right side
    81,798.82x = 2,777,187,606.11
  5. Step 5: Solve for x
    x = 2,777,187,606.11/81,798.82
  6. Step 6: Final answer
    x = 33,951.44

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1.5x scale

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.