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Finding the Fourth Proportional to 1,796.65, 2,695.26 and 563.79

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Solution

The fourth proportional to 1,796.65, 2,695.26 and 563.79 is: 845.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796.65 : 2,695.26 = 563.79 : x
  2. Step 2: Convert to fraction form
    1,796.65/2,695.26 = 563.79/x
  3. Step 3: Cross multiply
    1,796.65x = 2,695.26 × 563.79
  4. Step 4: Simplify right side
    1,796.65x = 1,519,547.16
  5. Step 5: Solve for x
    x = 1,519,547.16/1,796.65
  6. Step 6: Final answer
    x = 845.77

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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.