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Finding the Fourth Proportional to 57,016.88, 85,107.80 and 50,283.51

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Solution

The fourth proportional to 57,016.88, 85,107.80 and 50,283.51 is: 75,057.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,016.88 : 85,107.80 = 50,283.51 : x
  2. Step 2: Convert to fraction form
    57,016.88/85,107.80 = 50,283.51/x
  3. Step 3: Cross multiply
    57,016.88x = 85,107.80 × 50,283.51
  4. Step 4: Simplify right side
    57,016.88x = 4,279,518,912.38
  5. Step 5: Solve for x
    x = 4,279,518,912.38/57,016.88
  6. Step 6: Final answer
    x = 75,057.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.