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Finding the Fourth Proportional to 9,235.64, 13,842.94 and 3,969.08

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Solution

The fourth proportional to 9,235.64, 13,842.94 and 3,969.08 is: 5,949.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,235.64 : 13,842.94 = 3,969.08 : x
  2. Step 2: Convert to fraction form
    9,235.64/13,842.94 = 3,969.08/x
  3. Step 3: Cross multiply
    9,235.64x = 13,842.94 × 3,969.08
  4. Step 4: Simplify right side
    9,235.64x = 54,943,736.30
  5. Step 5: Solve for x
    x = 54,943,736.30/9,235.64
  6. Step 6: Final answer
    x = 5,949.10

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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.