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Finding the Fourth Proportional to 75,883.63, 113,825.90 and 33,753.81

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Solution

The fourth proportional to 75,883.63, 113,825.90 and 33,753.81 is: 50,630.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,883.63 : 113,825.90 = 33,753.81 : x
  2. Step 2: Convert to fraction form
    75,883.63/113,825.90 = 33,753.81/x
  3. Step 3: Cross multiply
    75,883.63x = 113,825.90 × 33,753.81
  4. Step 4: Simplify right side
    75,883.63x = 3,842,057,206.06
  5. Step 5: Solve for x
    x = 3,842,057,206.06/75,883.63
  6. Step 6: Final answer
    x = 50,630.91

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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.