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Finding the Fourth Proportional to 2,333.70, 3,223.40 and 1,694.62

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Solution

The fourth proportional to 2,333.70, 3,223.40 and 1,694.62 is: 2,340.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,333.70 : 3,223.40 = 1,694.62 : x
  2. Step 2: Convert to fraction form
    2,333.70/3,223.40 = 1,694.62/x
  3. Step 3: Cross multiply
    2,333.70x = 3,223.40 × 1,694.62
  4. Step 4: Simplify right side
    2,333.70x = 5,462,438.11
  5. Step 5: Solve for x
    x = 5,462,438.11/2,333.70
  6. Step 6: Final answer
    x = 2,340.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.