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Finding the Fourth Proportional to 5,932.72, 8,900.43 and 3,157.93

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Solution

The fourth proportional to 5,932.72, 8,900.43 and 3,157.93 is: 4,737.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,932.72 : 8,900.43 = 3,157.93 : x
  2. Step 2: Convert to fraction form
    5,932.72/8,900.43 = 3,157.93/x
  3. Step 3: Cross multiply
    5,932.72x = 8,900.43 × 3,157.93
  4. Step 4: Simplify right side
    5,932.72x = 28,106,951.96
  5. Step 5: Solve for x
    x = 28,106,951.96/5,932.72
  6. Step 6: Final answer
    x = 4,737.62

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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.