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Finding the Fourth Proportional to 1,794.60, 2,692.05 and 698.67

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Solution

The fourth proportional to 1,794.60, 2,692.05 and 698.67 is: 1,048.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,794.60 : 2,692.05 = 698.67 : x
  2. Step 2: Convert to fraction form
    1,794.60/2,692.05 = 698.67/x
  3. Step 3: Cross multiply
    1,794.60x = 2,692.05 × 698.67
  4. Step 4: Simplify right side
    1,794.60x = 1,880,854.57
  5. Step 5: Solve for x
    x = 1,880,854.57/1,794.60
  6. Step 6: Final answer
    x = 1,048.06

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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.