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Finding the Fourth Proportional to 7,321.93, 10,982.85 and 1,775.27

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Solution

The fourth proportional to 7,321.93, 10,982.85 and 1,775.27 is: 2,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.93 : 10,982.85 = 1,775.27 : x
  2. Step 2: Convert to fraction form
    7,321.93/10,982.85 = 1,775.27/x
  3. Step 3: Cross multiply
    7,321.93x = 10,982.85 × 1,775.27
  4. Step 4: Simplify right side
    7,321.93x = 19,497,559.90
  5. Step 5: Solve for x
    x = 19,497,559.90/7,321.93
  6. Step 6: Final answer
    x = 2,662.90

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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.