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Finding the Fourth Proportional to 1,412.44, 1,949.48 and 941.16

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Solution

The fourth proportional to 1,412.44, 1,949.48 and 941.16 is: 1,299.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412.44 : 1,949.48 = 941.16 : x
  2. Step 2: Convert to fraction form
    1,412.44/1,949.48 = 941.16/x
  3. Step 3: Cross multiply
    1,412.44x = 1,949.48 × 941.16
  4. Step 4: Simplify right side
    1,412.44x = 1,834,772.60
  5. Step 5: Solve for x
    x = 1,834,772.60/1,412.44
  6. Step 6: Final answer
    x = 1,299.01

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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.