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Finding the Fourth Proportional to 2,441, 3,368.58 and 1,778.42

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Solution

The fourth proportional to 2,441, 3,368.58 and 1,778.42 is: 2,454.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,441 : 3,368.58 = 1,778.42 : x
  2. Step 2: Convert to fraction form
    2,441/3,368.58 = 1,778.42/x
  3. Step 3: Cross multiply
    2,441x = 3,368.58 × 1,778.42
  4. Step 4: Simplify right side
    2,441x = 5,990,750.04
  5. Step 5: Solve for x
    x = 5,990,750.04/2,441
  6. Step 6: Final answer
    x = 2,454.22

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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.