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Finding the Fourth Proportional to 9,442.16, 14,163.08 and 3,286

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Solution

The fourth proportional to 9,442.16, 14,163.08 and 3,286 is: 4,928.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,442.16 : 14,163.08 = 3,286 : x
  2. Step 2: Convert to fraction form
    9,442.16/14,163.08 = 3,286/x
  3. Step 3: Cross multiply
    9,442.16x = 14,163.08 × 3,286
  4. Step 4: Simplify right side
    9,442.16x = 46,539,880.88
  5. Step 5: Solve for x
    x = 46,539,880.88/9,442.16
  6. Step 6: Final answer
    x = 4,928.94

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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.