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Finding the Fourth Proportional to 50,298.56, 75,447.56 and 12,858.60

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Solution

The fourth proportional to 50,298.56, 75,447.56 and 12,858.60 is: 19,287.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,298.56 : 75,447.56 = 12,858.60 : x
  2. Step 2: Convert to fraction form
    50,298.56/75,447.56 = 12,858.60/x
  3. Step 3: Cross multiply
    50,298.56x = 75,447.56 × 12,858.60
  4. Step 4: Simplify right side
    50,298.56x = 970,149,995.02
  5. Step 5: Solve for x
    x = 970,149,995.02/50,298.56
  6. Step 6: Final answer
    x = 19,287.83

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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.