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Finding the Fourth Proportional to 2,262.84, 3,395.40 and 965.28

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Solution

The fourth proportional to 2,262.84, 3,395.40 and 965.28 is: 1,448.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.84 : 3,395.40 = 965.28 : x
  2. Step 2: Convert to fraction form
    2,262.84/3,395.40 = 965.28/x
  3. Step 3: Cross multiply
    2,262.84x = 3,395.40 × 965.28
  4. Step 4: Simplify right side
    2,262.84x = 3,277,511.71
  5. Step 5: Solve for x
    x = 3,277,511.71/2,262.84
  6. Step 6: Final answer
    x = 1,448.41

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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.