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Finding the Fourth Proportional to 81,763.97, 122,644.73 and 22,598.33

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Solution

The fourth proportional to 81,763.97, 122,644.73 and 22,598.33 is: 33,897.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,763.97 : 122,644.73 = 22,598.33 : x
  2. Step 2: Convert to fraction form
    81,763.97/122,644.73 = 22,598.33/x
  3. Step 3: Cross multiply
    81,763.97x = 122,644.73 × 22,598.33
  4. Step 4: Simplify right side
    81,763.97x = 2,771,565,524.57
  5. Step 5: Solve for x
    x = 2,771,565,524.57/81,763.97
  6. Step 6: Final answer
    x = 33,897.15

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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.