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Finding the Fourth Proportional to 1,523.97, 2,285.73 and 550.08

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Solution

The fourth proportional to 1,523.97, 2,285.73 and 550.08 is: 825.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523.97 : 2,285.73 = 550.08 : x
  2. Step 2: Convert to fraction form
    1,523.97/2,285.73 = 550.08/x
  3. Step 3: Cross multiply
    1,523.97x = 2,285.73 × 550.08
  4. Step 4: Simplify right side
    1,523.97x = 1,257,334.36
  5. Step 5: Solve for x
    x = 1,257,334.36/1,523.97
  6. Step 6: Final answer
    x = 825.04

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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.