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Finding the Fourth Proportional to 1,348.84, 1,861.32 and 759.41

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Solution

The fourth proportional to 1,348.84, 1,861.32 and 759.41 is: 1,047.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.84 : 1,861.32 = 759.41 : x
  2. Step 2: Convert to fraction form
    1,348.84/1,861.32 = 759.41/x
  3. Step 3: Cross multiply
    1,348.84x = 1,861.32 × 759.41
  4. Step 4: Simplify right side
    1,348.84x = 1,413,505.02
  5. Step 5: Solve for x
    x = 1,413,505.02/1,348.84
  6. Step 6: Final answer
    x = 1,047.94

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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.