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Finding the Fourth Proportional to 2,967.90, 4,094.41 and 1,788.29

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Solution

The fourth proportional to 2,967.90, 4,094.41 and 1,788.29 is: 2,467.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,967.90 : 4,094.41 = 1,788.29 : x
  2. Step 2: Convert to fraction form
    2,967.90/4,094.41 = 1,788.29/x
  3. Step 3: Cross multiply
    2,967.90x = 4,094.41 × 1,788.29
  4. Step 4: Simplify right side
    2,967.90x = 7,321,992.46
  5. Step 5: Solve for x
    x = 7,321,992.46/2,967.90
  6. Step 6: Final answer
    x = 2,467.06

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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.