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Finding the Fourth Proportional to 2,594.50, 3,891.73 and 745.63

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Solution

The fourth proportional to 2,594.50, 3,891.73 and 745.63 is: 1,118.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,594.50 : 3,891.73 = 745.63 : x
  2. Step 2: Convert to fraction form
    2,594.50/3,891.73 = 745.63/x
  3. Step 3: Cross multiply
    2,594.50x = 3,891.73 × 745.63
  4. Step 4: Simplify right side
    2,594.50x = 2,901,790.64
  5. Step 5: Solve for x
    x = 2,901,790.64/2,594.50
  6. Step 6: Final answer
    x = 1,118.44

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1.5x scale

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.