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Finding the Fourth Proportional to 1,104.52, 1,523.46 and 756.04

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Solution

The fourth proportional to 1,104.52, 1,523.46 and 756.04 is: 1,042.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104.52 : 1,523.46 = 756.04 : x
  2. Step 2: Convert to fraction form
    1,104.52/1,523.46 = 756.04/x
  3. Step 3: Cross multiply
    1,104.52x = 1,523.46 × 756.04
  4. Step 4: Simplify right side
    1,104.52x = 1,151,796.70
  5. Step 5: Solve for x
    x = 1,151,796.70/1,104.52
  6. Step 6: Final answer
    x = 1,042.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.