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Finding the Fourth Proportional to 1,714.66, 2,571.98 and 741.44

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Solution

The fourth proportional to 1,714.66, 2,571.98 and 741.44 is: 1,112.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,714.66 : 2,571.98 = 741.44 : x
  2. Step 2: Convert to fraction form
    1,714.66/2,571.98 = 741.44/x
  3. Step 3: Cross multiply
    1,714.66x = 2,571.98 × 741.44
  4. Step 4: Simplify right side
    1,714.66x = 1,906,968.85
  5. Step 5: Solve for x
    x = 1,906,968.85/1,714.66
  6. Step 6: Final answer
    x = 1,112.16

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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.