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Finding the Fourth Proportional to 9,917.73, 14,863.52 and 4,651.92

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Solution

The fourth proportional to 9,917.73, 14,863.52 and 4,651.92 is: 6,971.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,917.73 : 14,863.52 = 4,651.92 : x
  2. Step 2: Convert to fraction form
    9,917.73/14,863.52 = 4,651.92/x
  3. Step 3: Cross multiply
    9,917.73x = 14,863.52 × 4,651.92
  4. Step 4: Simplify right side
    9,917.73x = 69,143,882.70
  5. Step 5: Solve for x
    x = 69,143,882.70/9,917.73
  6. Step 6: Final answer
    x = 6,971.74

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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.