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Finding the Fourth Proportional to 5,072.84, 7,620.26 and 4,294.43

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Solution

The fourth proportional to 5,072.84, 7,620.26 and 4,294.43 is: 6,450.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.84 : 7,620.26 = 4,294.43 : x
  2. Step 2: Convert to fraction form
    5,072.84/7,620.26 = 4,294.43/x
  3. Step 3: Cross multiply
    5,072.84x = 7,620.26 × 4,294.43
  4. Step 4: Simplify right side
    5,072.84x = 32,724,613.58
  5. Step 5: Solve for x
    x = 32,724,613.58/5,072.84
  6. Step 6: Final answer
    x = 6,450.95

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1.5x scale

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.