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Finding the Fourth Proportional to 10,927.99, 16,391.99 and 4,917.04

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Solution

The fourth proportional to 10,927.99, 16,391.99 and 4,917.04 is: 7,375.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,927.99 : 16,391.99 = 4,917.04 : x
  2. Step 2: Convert to fraction form
    10,927.99/16,391.99 = 4,917.04/x
  3. Step 3: Cross multiply
    10,927.99x = 16,391.99 × 4,917.04
  4. Step 4: Simplify right side
    10,927.99x = 80,600,070.51
  5. Step 5: Solve for x
    x = 80,600,070.51/10,927.99
  6. Step 6: Final answer
    x = 7,375.56

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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.