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Finding the Fourth Proportional to 2,264.54, 3,395.25 and 783.41

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Solution

The fourth proportional to 2,264.54, 3,395.25 and 783.41 is: 1,174.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,264.54 : 3,395.25 = 783.41 : x
  2. Step 2: Convert to fraction form
    2,264.54/3,395.25 = 783.41/x
  3. Step 3: Cross multiply
    2,264.54x = 3,395.25 × 783.41
  4. Step 4: Simplify right side
    2,264.54x = 2,659,855.83
  5. Step 5: Solve for x
    x = 2,659,855.83/2,264.54
  6. Step 6: Final answer
    x = 1,174.57

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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.