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Finding the Fourth Proportional to 1,735.70, 2,604.94 and 914.46

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Solution

The fourth proportional to 1,735.70, 2,604.94 and 914.46 is: 1,372.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,735.70 : 2,604.94 = 914.46 : x
  2. Step 2: Convert to fraction form
    1,735.70/2,604.94 = 914.46/x
  3. Step 3: Cross multiply
    1,735.70x = 2,604.94 × 914.46
  4. Step 4: Simplify right side
    1,735.70x = 2,382,113.43
  5. Step 5: Solve for x
    x = 2,382,113.43/1,735.70
  6. Step 6: Final answer
    x = 1,372.42

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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.