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Finding the Fourth Proportional to 50,512.64, 75,719.44 and 43,033.10

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Solution

The fourth proportional to 50,512.64, 75,719.44 and 43,033.10 is: 64,507.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,512.64 : 75,719.44 = 43,033.10 : x
  2. Step 2: Convert to fraction form
    50,512.64/75,719.44 = 43,033.10/x
  3. Step 3: Cross multiply
    50,512.64x = 75,719.44 × 43,033.10
  4. Step 4: Simplify right side
    50,512.64x = 3,258,441,908.66
  5. Step 5: Solve for x
    x = 3,258,441,908.66/50,512.64
  6. Step 6: Final answer
    x = 64,507.46

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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.