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Finding the Fourth Proportional to 9,616.92, 14,415.99 and 4,939.17

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Solution

The fourth proportional to 9,616.92, 14,415.99 and 4,939.17 is: 7,403.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,616.92 : 14,415.99 = 4,939.17 : x
  2. Step 2: Convert to fraction form
    9,616.92/14,415.99 = 4,939.17/x
  3. Step 3: Cross multiply
    9,616.92x = 14,415.99 × 4,939.17
  4. Step 4: Simplify right side
    9,616.92x = 71,203,025.33
  5. Step 5: Solve for x
    x = 71,203,025.33/9,616.92
  6. Step 6: Final answer
    x = 7,403.93

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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.