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Finding the Fourth Proportional to 5,892.70, 8,839.05 and 4,942.30

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Solution

The fourth proportional to 5,892.70, 8,839.05 and 4,942.30 is: 7,413.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,892.70 : 8,839.05 = 4,942.30 : x
  2. Step 2: Convert to fraction form
    5,892.70/8,839.05 = 4,942.30/x
  3. Step 3: Cross multiply
    5,892.70x = 8,839.05 × 4,942.30
  4. Step 4: Simplify right side
    5,892.70x = 43,685,236.82
  5. Step 5: Solve for x
    x = 43,685,236.82/5,892.70
  6. Step 6: Final answer
    x = 7,413.45

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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.