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Finding the Fourth Proportional to 2,941.82, 4,412.74 and 994.04

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Solution

The fourth proportional to 2,941.82, 4,412.74 and 994.04 is: 1,491.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.82 : 4,412.74 = 994.04 : x
  2. Step 2: Convert to fraction form
    2,941.82/4,412.74 = 994.04/x
  3. Step 3: Cross multiply
    2,941.82x = 4,412.74 × 994.04
  4. Step 4: Simplify right side
    2,941.82x = 4,386,440.07
  5. Step 5: Solve for x
    x = 4,386,440.07/2,941.82
  6. Step 6: Final answer
    x = 1,491.06

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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.