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Finding the Fourth Proportional to 3,369.42, 4,650.84 and 2,043.72

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Solution

The fourth proportional to 3,369.42, 4,650.84 and 2,043.72 is: 2,820.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.42 : 4,650.84 = 2,043.72 : x
  2. Step 2: Convert to fraction form
    3,369.42/4,650.84 = 2,043.72/x
  3. Step 3: Cross multiply
    3,369.42x = 4,650.84 × 2,043.72
  4. Step 4: Simplify right side
    3,369.42x = 9,505,014.72
  5. Step 5: Solve for x
    x = 9,505,014.72/3,369.42
  6. Step 6: Final answer
    x = 2,820.96

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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.