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Finding the Fourth Proportional to 50,259.44, 75,389.74 and 12,819.44

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Solution

The fourth proportional to 50,259.44, 75,389.74 and 12,819.44 is: 19,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,259.44 : 75,389.74 = 12,819.44 : x
  2. Step 2: Convert to fraction form
    50,259.44/75,389.74 = 12,819.44/x
  3. Step 3: Cross multiply
    50,259.44x = 75,389.74 × 12,819.44
  4. Step 4: Simplify right side
    50,259.44x = 966,453,839.55
  5. Step 5: Solve for x
    x = 966,453,839.55/50,259.44
  6. Step 6: Final answer
    x = 19,229.30

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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.