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Finding the Fourth Proportional to 50,732.80, 76,099.20 and 50,732.80

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Solution

The fourth proportional to 50,732.80, 76,099.20 and 50,732.80 is: 76,099.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,732.80 : 76,099.20 = 50,732.80 : x
  2. Step 2: Convert to fraction form
    50,732.80/76,099.20 = 50,732.80/x
  3. Step 3: Cross multiply
    50,732.80x = 76,099.20 × 50,732.80
  4. Step 4: Simplify right side
    50,732.80x = 3,860,725,493.76
  5. Step 5: Solve for x
    x = 3,860,725,493.76/50,732.80
  6. Step 6: Final answer
    x = 76,099.20

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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.