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Finding the Fourth Proportional to 1,034.48, 1,426.88 and 754.22

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Solution

The fourth proportional to 1,034.48, 1,426.88 and 754.22 is: 1,040.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.48 : 1,426.88 = 754.22 : x
  2. Step 2: Convert to fraction form
    1,034.48/1,426.88 = 754.22/x
  3. Step 3: Cross multiply
    1,034.48x = 1,426.88 × 754.22
  4. Step 4: Simplify right side
    1,034.48x = 1,076,181.43
  5. Step 5: Solve for x
    x = 1,076,181.43/1,034.48
  6. Step 6: Final answer
    x = 1,040.31

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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.