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Finding the Fourth Proportional to 57,892.36, 86,866.46 and 50,410.12

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Solution

The fourth proportional to 57,892.36, 86,866.46 and 50,410.12 is: 75,639.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,892.36 : 86,866.46 = 50,410.12 : x
  2. Step 2: Convert to fraction form
    57,892.36/86,866.46 = 50,410.12/x
  3. Step 3: Cross multiply
    57,892.36x = 86,866.46 × 50,410.12
  4. Step 4: Simplify right side
    57,892.36x = 4,378,948,672.58
  5. Step 5: Solve for x
    x = 4,378,948,672.58/57,892.36
  6. Step 6: Final answer
    x = 75,639.49

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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.