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Finding the Fourth Proportional to 2,379.57, 3,569.70 and 736.26

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Solution

The fourth proportional to 2,379.57, 3,569.70 and 736.26 is: 1,104.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.57 : 3,569.70 = 736.26 : x
  2. Step 2: Convert to fraction form
    2,379.57/3,569.70 = 736.26/x
  3. Step 3: Cross multiply
    2,379.57x = 3,569.70 × 736.26
  4. Step 4: Simplify right side
    2,379.57x = 2,628,227.32
  5. Step 5: Solve for x
    x = 2,628,227.32/2,379.57
  6. Step 6: Final answer
    x = 1,104.50

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Half scale
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Find fourth proportional to 2,380.57, 3,571.20 and 737.26
Similar ratio
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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.