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Finding the Fourth Proportional to 50,957.01, 70,321.41 and 28,297.41

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Solution

The fourth proportional to 50,957.01, 70,321.41 and 28,297.41 is: 39,050.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,957.01 : 70,321.41 = 28,297.41 : x
  2. Step 2: Convert to fraction form
    50,957.01/70,321.41 = 28,297.41/x
  3. Step 3: Cross multiply
    50,957.01x = 70,321.41 × 28,297.41
  4. Step 4: Simplify right side
    50,957.01x = 1,989,913,770.55
  5. Step 5: Solve for x
    x = 1,989,913,770.55/50,957.01
  6. Step 6: Final answer
    x = 39,050.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.