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Finding the Fourth Proportional to 9,351.90, 14,015.70 and 3,800.70

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Solution

The fourth proportional to 9,351.90, 14,015.70 and 3,800.70 is: 5,696.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,351.90 : 14,015.70 = 3,800.70 : x
  2. Step 2: Convert to fraction form
    9,351.90/14,015.70 = 3,800.70/x
  3. Step 3: Cross multiply
    9,351.90x = 14,015.70 × 3,800.70
  4. Step 4: Simplify right side
    9,351.90x = 53,269,470.99
  5. Step 5: Solve for x
    x = 53,269,470.99/9,351.90
  6. Step 6: Final answer
    x = 5,696.11

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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.