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Finding the Fourth Proportional to 5,491.50, 8,237.26 and 1,843.50

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Solution

The fourth proportional to 5,491.50, 8,237.26 and 1,843.50 is: 2,765.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.50 : 8,237.26 = 1,843.50 : x
  2. Step 2: Convert to fraction form
    5,491.50/8,237.26 = 1,843.50/x
  3. Step 3: Cross multiply
    5,491.50x = 8,237.26 × 1,843.50
  4. Step 4: Simplify right side
    5,491.50x = 15,185,388.81
  5. Step 5: Solve for x
    x = 15,185,388.81/5,491.50
  6. Step 6: Final answer
    x = 2,765.25

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Double scale
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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.