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Finding the Fourth Proportional to 83,803.97, 125,705.63 and 33,883.47

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Solution

The fourth proportional to 83,803.97, 125,705.63 and 33,883.47 is: 50,825.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,803.97 : 125,705.63 = 33,883.47 : x
  2. Step 2: Convert to fraction form
    83,803.97/125,705.63 = 33,883.47/x
  3. Step 3: Cross multiply
    83,803.97x = 125,705.63 × 33,883.47
  4. Step 4: Simplify right side
    83,803.97x = 4,259,343,027.64
  5. Step 5: Solve for x
    x = 4,259,343,027.64/83,803.97
  6. Step 6: Final answer
    x = 50,825.07

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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.