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Finding the Fourth Proportional to 2,480.44, 3,717.84 and 1,017.88

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Solution

The fourth proportional to 2,480.44, 3,717.84 and 1,017.88 is: 1,525.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.44 : 3,717.84 = 1,017.88 : x
  2. Step 2: Convert to fraction form
    2,480.44/3,717.84 = 1,017.88/x
  3. Step 3: Cross multiply
    2,480.44x = 3,717.84 × 1,017.88
  4. Step 4: Simplify right side
    2,480.44x = 3,784,314.98
  5. Step 5: Solve for x
    x = 3,784,314.98/2,480.44
  6. Step 6: Final answer
    x = 1,525.66

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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.