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Finding the Fourth Proportional to 5,911.72, 8,873.04 and 2,992.07

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Solution

The fourth proportional to 5,911.72, 8,873.04 and 2,992.07 is: 4,490.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.72 : 8,873.04 = 2,992.07 : x
  2. Step 2: Convert to fraction form
    5,911.72/8,873.04 = 2,992.07/x
  3. Step 3: Cross multiply
    5,911.72x = 8,873.04 × 2,992.07
  4. Step 4: Simplify right side
    5,911.72x = 26,548,756.79
  5. Step 5: Solve for x
    x = 26,548,756.79/5,911.72
  6. Step 6: Final answer
    x = 4,490.87

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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.