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Finding the Fourth Proportional to 8,174.80, 12,252.60 and 3,783

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Solution

The fourth proportional to 8,174.80, 12,252.60 and 3,783 is: 5,670.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.80 : 12,252.60 = 3,783 : x
  2. Step 2: Convert to fraction form
    8,174.80/12,252.60 = 3,783/x
  3. Step 3: Cross multiply
    8,174.80x = 12,252.60 × 3,783
  4. Step 4: Simplify right side
    8,174.80x = 46,351,585.80
  5. Step 5: Solve for x
    x = 46,351,585.80/8,174.80
  6. Step 6: Final answer
    x = 5,670.06

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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.