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Finding the Fourth Proportional to 1,873.72, 2,797.61 and 1,757.08

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Solution

The fourth proportional to 1,873.72, 2,797.61 and 1,757.08 is: 2,623.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873.72 : 2,797.61 = 1,757.08 : x
  2. Step 2: Convert to fraction form
    1,873.72/2,797.61 = 1,757.08/x
  3. Step 3: Cross multiply
    1,873.72x = 2,797.61 × 1,757.08
  4. Step 4: Simplify right side
    1,873.72x = 4,915,624.58
  5. Step 5: Solve for x
    x = 4,915,624.58/1,873.72
  6. Step 6: Final answer
    x = 2,623.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.