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Finding the Fourth Proportional to 1,795.65, 2,691.02 and 1,145.22

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Solution

The fourth proportional to 1,795.65, 2,691.02 and 1,145.22 is: 1,716.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795.65 : 2,691.02 = 1,145.22 : x
  2. Step 2: Convert to fraction form
    1,795.65/2,691.02 = 1,145.22/x
  3. Step 3: Cross multiply
    1,795.65x = 2,691.02 × 1,145.22
  4. Step 4: Simplify right side
    1,795.65x = 3,081,809.92
  5. Step 5: Solve for x
    x = 3,081,809.92/1,795.65
  6. Step 6: Final answer
    x = 1,716.26

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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.