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Finding the Fourth Proportional to 3,784, 5,676 and 1,048

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Solution

The fourth proportional to 3,784, 5,676 and 1,048 is: 1,572

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784 : 5,676 = 1,048 : x
  2. Step 2: Convert to fraction form
    3,784/5,676 = 1,048/x
  3. Step 3: Cross multiply
    3,784x = 5,676 × 1,048
  4. Step 4: Simplify right side
    3,784x = 5,948,448
  5. Step 5: Solve for x
    x = 5,948,448/3,784
  6. Step 6: Final answer
    x = 1,572

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.