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Finding the Fourth Proportional to 2,252.85, 3,379.59 and 692.98

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Solution

The fourth proportional to 2,252.85, 3,379.59 and 692.98 is: 1,039.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.85 : 3,379.59 = 692.98 : x
  2. Step 2: Convert to fraction form
    2,252.85/3,379.59 = 692.98/x
  3. Step 3: Cross multiply
    2,252.85x = 3,379.59 × 692.98
  4. Step 4: Simplify right side
    2,252.85x = 2,341,979.83
  5. Step 5: Solve for x
    x = 2,341,979.83/2,252.85
  6. Step 6: Final answer
    x = 1,039.56

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1.5x scale

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.