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Finding the Fourth Proportional to 3,308.79, 4,566.27 and 1,982.24

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Solution

The fourth proportional to 3,308.79, 4,566.27 and 1,982.24 is: 2,735.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.79 : 4,566.27 = 1,982.24 : x
  2. Step 2: Convert to fraction form
    3,308.79/4,566.27 = 1,982.24/x
  3. Step 3: Cross multiply
    3,308.79x = 4,566.27 × 1,982.24
  4. Step 4: Simplify right side
    3,308.79x = 9,051,420.21
  5. Step 5: Solve for x
    x = 9,051,420.21/3,308.79
  6. Step 6: Final answer
    x = 2,735.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.