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Finding the Fourth Proportional to 9,806.30, 14,703.78 and 3,230.72

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Solution

The fourth proportional to 9,806.30, 14,703.78 and 3,230.72 is: 4,844.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,806.30 : 14,703.78 = 3,230.72 : x
  2. Step 2: Convert to fraction form
    9,806.30/14,703.78 = 3,230.72/x
  3. Step 3: Cross multiply
    9,806.30x = 14,703.78 × 3,230.72
  4. Step 4: Simplify right side
    9,806.30x = 47,503,796.12
  5. Step 5: Solve for x
    x = 47,503,796.12/9,806.30
  6. Step 6: Final answer
    x = 4,844.21

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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.