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Finding the Fourth Proportional to 4,469.03, 6,696.69 and 2,389.32

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Solution

The fourth proportional to 4,469.03, 6,696.69 and 2,389.32 is: 3,580.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,469.03 : 6,696.69 = 2,389.32 : x
  2. Step 2: Convert to fraction form
    4,469.03/6,696.69 = 2,389.32/x
  3. Step 3: Cross multiply
    4,469.03x = 6,696.69 × 2,389.32
  4. Step 4: Simplify right side
    4,469.03x = 16,000,535.35
  5. Step 5: Solve for x
    x = 16,000,535.35/4,469.03
  6. Step 6: Final answer
    x = 3,580.32

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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.