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Finding the Fourth Proportional to 50,145.66, 75,231 and 35,383.44

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Solution

The fourth proportional to 50,145.66, 75,231 and 35,383.44 is: 53,083.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,145.66 : 75,231 = 35,383.44 : x
  2. Step 2: Convert to fraction form
    50,145.66/75,231 = 35,383.44/x
  3. Step 3: Cross multiply
    50,145.66x = 75,231 × 35,383.44
  4. Step 4: Simplify right side
    50,145.66x = 2,661,931,574.64
  5. Step 5: Solve for x
    x = 2,661,931,574.64/50,145.66
  6. Step 6: Final answer
    x = 53,083.99

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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.