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Finding the Fourth Proportional to 1,717.88, 2,573.17 and 1,622.03

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Solution

The fourth proportional to 1,717.88, 2,573.17 and 1,622.03 is: 2,429.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.88 : 2,573.17 = 1,622.03 : x
  2. Step 2: Convert to fraction form
    1,717.88/2,573.17 = 1,622.03/x
  3. Step 3: Cross multiply
    1,717.88x = 2,573.17 × 1,622.03
  4. Step 4: Simplify right side
    1,717.88x = 4,173,742.01
  5. Step 5: Solve for x
    x = 4,173,742.01/1,717.88
  6. Step 6: Final answer
    x = 2,429.60

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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.