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Finding the Fourth Proportional to 3,782.67, 5,674.01 and 1,150.17

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Solution

The fourth proportional to 3,782.67, 5,674.01 and 1,150.17 is: 1,725.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.67 : 5,674.01 = 1,150.17 : x
  2. Step 2: Convert to fraction form
    3,782.67/5,674.01 = 1,150.17/x
  3. Step 3: Cross multiply
    3,782.67x = 5,674.01 × 1,150.17
  4. Step 4: Simplify right side
    3,782.67x = 6,526,070.33
  5. Step 5: Solve for x
    x = 6,526,070.33/3,782.67
  6. Step 6: Final answer
    x = 1,725.26

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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.