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Finding the Fourth Proportional to 5,942.93, 8,915.94 and 2,245.21

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Solution

The fourth proportional to 5,942.93, 8,915.94 and 2,245.21 is: 3,368.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,942.93 : 8,915.94 = 2,245.21 : x
  2. Step 2: Convert to fraction form
    5,942.93/8,915.94 = 2,245.21/x
  3. Step 3: Cross multiply
    5,942.93x = 8,915.94 × 2,245.21
  4. Step 4: Simplify right side
    5,942.93x = 20,018,135.36
  5. Step 5: Solve for x
    x = 20,018,135.36/5,942.93
  6. Step 6: Final answer
    x = 3,368.40

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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.