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Finding the Fourth Proportional to 50,449.60, 75,544.80 and 37,230.40

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Solution

The fourth proportional to 50,449.60, 75,544.80 and 37,230.40 is: 55,749.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,449.60 : 75,544.80 = 37,230.40 : x
  2. Step 2: Convert to fraction form
    50,449.60/75,544.80 = 37,230.40/x
  3. Step 3: Cross multiply
    50,449.60x = 75,544.80 × 37,230.40
  4. Step 4: Simplify right side
    50,449.60x = 2,812,563,121.92
  5. Step 5: Solve for x
    x = 2,812,563,121.92/50,449.60
  6. Step 6: Final answer
    x = 55,749.96

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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.