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Finding the Fourth Proportional to 50,745.70, 71,199.50 and 50,745.70

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Solution

The fourth proportional to 50,745.70, 71,199.50 and 50,745.70 is: 71,199.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,745.70 : 71,199.50 = 50,745.70 : x
  2. Step 2: Convert to fraction form
    50,745.70/71,199.50 = 50,745.70/x
  3. Step 3: Cross multiply
    50,745.70x = 71,199.50 × 50,745.70
  4. Step 4: Simplify right side
    50,745.70x = 3,613,068,467.15
  5. Step 5: Solve for x
    x = 3,613,068,467.15/50,745.70
  6. Step 6: Final answer
    x = 71,199.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.