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Finding the Fourth Proportional to 9,793.87, 14,693.30 and 3,220.11

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Solution

The fourth proportional to 9,793.87, 14,693.30 and 3,220.11 is: 4,830.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,793.87 : 14,693.30 = 3,220.11 : x
  2. Step 2: Convert to fraction form
    9,793.87/14,693.30 = 3,220.11/x
  3. Step 3: Cross multiply
    9,793.87x = 14,693.30 × 3,220.11
  4. Step 4: Simplify right side
    9,793.87x = 47,314,042.26
  5. Step 5: Solve for x
    x = 47,314,042.26/9,793.87
  6. Step 6: Final answer
    x = 4,830.99

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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.