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Finding the Fourth Proportional to 67,957.92, 93,672 and 50,700.96

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Solution

The fourth proportional to 67,957.92, 93,672 and 50,700.96 is: 69,885.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,957.92 : 93,672 = 50,700.96 : x
  2. Step 2: Convert to fraction form
    67,957.92/93,672 = 50,700.96/x
  3. Step 3: Cross multiply
    67,957.92x = 93,672 × 50,700.96
  4. Step 4: Simplify right side
    67,957.92x = 4,749,260,325.12
  5. Step 5: Solve for x
    x = 4,749,260,325.12/67,957.92
  6. Step 6: Final answer
    x = 69,885.31

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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.