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Finding the Fourth Proportional to 9,231.84, 13,850.19 and 3,388.50

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Solution

The fourth proportional to 9,231.84, 13,850.19 and 3,388.50 is: 5,083.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231.84 : 13,850.19 = 3,388.50 : x
  2. Step 2: Convert to fraction form
    9,231.84/13,850.19 = 3,388.50/x
  3. Step 3: Cross multiply
    9,231.84x = 13,850.19 × 3,388.50
  4. Step 4: Simplify right side
    9,231.84x = 46,931,368.82
  5. Step 5: Solve for x
    x = 46,931,368.82/9,231.84
  6. Step 6: Final answer
    x = 5,083.64

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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.