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Finding the Fourth Proportional to 4,661.90, 6,995.46 and 3,623.99

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Solution

The fourth proportional to 4,661.90, 6,995.46 and 3,623.99 is: 5,438.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,661.90 : 6,995.46 = 3,623.99 : x
  2. Step 2: Convert to fraction form
    4,661.90/6,995.46 = 3,623.99/x
  3. Step 3: Cross multiply
    4,661.90x = 6,995.46 × 3,623.99
  4. Step 4: Simplify right side
    4,661.90x = 25,351,495.05
  5. Step 5: Solve for x
    x = 25,351,495.05/4,661.90
  6. Step 6: Final answer
    x = 5,438.01

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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.