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Finding the Fourth Proportional to 1,548.45, 2,323.94 and 683.37

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Solution

The fourth proportional to 1,548.45, 2,323.94 and 683.37 is: 1,025.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548.45 : 2,323.94 = 683.37 : x
  2. Step 2: Convert to fraction form
    1,548.45/2,323.94 = 683.37/x
  3. Step 3: Cross multiply
    1,548.45x = 2,323.94 × 683.37
  4. Step 4: Simplify right side
    1,548.45x = 1,588,107.46
  5. Step 5: Solve for x
    x = 1,588,107.46/1,548.45
  6. Step 6: Final answer
    x = 1,025.61

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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.