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Finding the Fourth Proportional to 50,179.79, 75,269.72 and 12,742.67

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Solution

The fourth proportional to 50,179.79, 75,269.72 and 12,742.67 is: 19,114.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,179.79 : 75,269.72 = 12,742.67 : x
  2. Step 2: Convert to fraction form
    50,179.79/75,269.72 = 12,742.67/x
  3. Step 3: Cross multiply
    50,179.79x = 75,269.72 × 12,742.67
  4. Step 4: Simplify right side
    50,179.79x = 959,137,422.98
  5. Step 5: Solve for x
    x = 959,137,422.98/50,179.79
  6. Step 6: Final answer
    x = 19,114.02

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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.