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Finding the Fourth Proportional to 3,144.42, 4,712.08 and 1,739.11

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Solution

The fourth proportional to 3,144.42, 4,712.08 and 1,739.11 is: 2,606.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.42 : 4,712.08 = 1,739.11 : x
  2. Step 2: Convert to fraction form
    3,144.42/4,712.08 = 1,739.11/x
  3. Step 3: Cross multiply
    3,144.42x = 4,712.08 × 1,739.11
  4. Step 4: Simplify right side
    3,144.42x = 8,194,825.45
  5. Step 5: Solve for x
    x = 8,194,825.45/3,144.42
  6. Step 6: Final answer
    x = 2,606.15

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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.