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Finding the Fourth Proportional to 7,954.36, 11,935.64 and 3,277.82

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Solution

The fourth proportional to 7,954.36, 11,935.64 and 3,277.82 is: 4,918.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,954.36 : 11,935.64 = 3,277.82 : x
  2. Step 2: Convert to fraction form
    7,954.36/11,935.64 = 3,277.82/x
  3. Step 3: Cross multiply
    7,954.36x = 11,935.64 × 3,277.82
  4. Step 4: Simplify right side
    7,954.36x = 39,122,879.50
  5. Step 5: Solve for x
    x = 39,122,879.50/7,954.36
  6. Step 6: Final answer
    x = 4,918.42

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1.5x scale

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.