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Finding the Fourth Proportional to 5,368.40, 8,052.60 and 3,294.80

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Solution

The fourth proportional to 5,368.40, 8,052.60 and 3,294.80 is: 4,942.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368.40 : 8,052.60 = 3,294.80 : x
  2. Step 2: Convert to fraction form
    5,368.40/8,052.60 = 3,294.80/x
  3. Step 3: Cross multiply
    5,368.40x = 8,052.60 × 3,294.80
  4. Step 4: Simplify right side
    5,368.40x = 26,531,706.48
  5. Step 5: Solve for x
    x = 26,531,706.48/5,368.40
  6. Step 6: Final answer
    x = 4,942.20

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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.