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Finding the Fourth Proportional to 7,969.55, 11,954.32 and 3,796.91

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Solution

The fourth proportional to 7,969.55, 11,954.32 and 3,796.91 is: 5,695.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,969.55 : 11,954.32 = 3,796.91 : x
  2. Step 2: Convert to fraction form
    7,969.55/11,954.32 = 3,796.91/x
  3. Step 3: Cross multiply
    7,969.55x = 11,954.32 × 3,796.91
  4. Step 4: Simplify right side
    7,969.55x = 45,389,477.15
  5. Step 5: Solve for x
    x = 45,389,477.15/7,969.55
  6. Step 6: Final answer
    x = 5,695.36

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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.