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Finding the Fourth Proportional to 4,927.93, 7,389.18 and 3,369.69

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Solution

The fourth proportional to 4,927.93, 7,389.18 and 3,369.69 is: 5,052.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.93 : 7,389.18 = 3,369.69 : x
  2. Step 2: Convert to fraction form
    4,927.93/7,389.18 = 3,369.69/x
  3. Step 3: Cross multiply
    4,927.93x = 7,389.18 × 3,369.69
  4. Step 4: Simplify right side
    4,927.93x = 24,899,245.95
  5. Step 5: Solve for x
    x = 24,899,245.95/4,927.93
  6. Step 6: Final answer
    x = 5,052.68

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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.