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Finding the Fourth Proportional to 2,894.08, 3,994 and 1,714.88

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Solution

The fourth proportional to 2,894.08, 3,994 and 1,714.88 is: 2,366.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894.08 : 3,994 = 1,714.88 : x
  2. Step 2: Convert to fraction form
    2,894.08/3,994 = 1,714.88/x
  3. Step 3: Cross multiply
    2,894.08x = 3,994 × 1,714.88
  4. Step 4: Simplify right side
    2,894.08x = 6,849,230.72
  5. Step 5: Solve for x
    x = 6,849,230.72/2,894.08
  6. Step 6: Final answer
    x = 2,366.63

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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.