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Finding the Fourth Proportional to 4,784.92, 7,174.06 and 2,440.37

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Solution

The fourth proportional to 4,784.92, 7,174.06 and 2,440.37 is: 3,658.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.92 : 7,174.06 = 2,440.37 : x
  2. Step 2: Convert to fraction form
    4,784.92/7,174.06 = 2,440.37/x
  3. Step 3: Cross multiply
    4,784.92x = 7,174.06 × 2,440.37
  4. Step 4: Simplify right side
    4,784.92x = 17,507,360.80
  5. Step 5: Solve for x
    x = 17,507,360.80/4,784.92
  6. Step 6: Final answer
    x = 3,658.86

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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.