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Finding the Fourth Proportional to 1,942.44, 2,914.98 and 846.17

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Solution

The fourth proportional to 1,942.44, 2,914.98 and 846.17 is: 1,269.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.44 : 2,914.98 = 846.17 : x
  2. Step 2: Convert to fraction form
    1,942.44/2,914.98 = 846.17/x
  3. Step 3: Cross multiply
    1,942.44x = 2,914.98 × 846.17
  4. Step 4: Simplify right side
    1,942.44x = 2,466,564.40
  5. Step 5: Solve for x
    x = 2,466,564.40/1,942.44
  6. Step 6: Final answer
    x = 1,269.83

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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.