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Finding the Fourth Proportional to 2,594.17, 3,891.24 and 745.30

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Solution

The fourth proportional to 2,594.17, 3,891.24 and 745.30 is: 1,117.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,594.17 : 3,891.24 = 745.30 : x
  2. Step 2: Convert to fraction form
    2,594.17/3,891.24 = 745.30/x
  3. Step 3: Cross multiply
    2,594.17x = 3,891.24 × 745.30
  4. Step 4: Simplify right side
    2,594.17x = 2,900,141.17
  5. Step 5: Solve for x
    x = 2,900,141.17/2,594.17
  6. Step 6: Final answer
    x = 1,117.95

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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.