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Finding the Fourth Proportional to 1,757.14, 2,638.03 and 1,612.08

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Solution

The fourth proportional to 1,757.14, 2,638.03 and 1,612.08 is: 2,420.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757.14 : 2,638.03 = 1,612.08 : x
  2. Step 2: Convert to fraction form
    1,757.14/2,638.03 = 1,612.08/x
  3. Step 3: Cross multiply
    1,757.14x = 2,638.03 × 1,612.08
  4. Step 4: Simplify right side
    1,757.14x = 4,252,717.42
  5. Step 5: Solve for x
    x = 4,252,717.42/1,757.14
  6. Step 6: Final answer
    x = 2,420.25

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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.