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Finding the Fourth Proportional to 7,104.35, 10,658.21 and 2,174.00

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Solution

The fourth proportional to 7,104.35, 10,658.21 and 2,174.00 is: 3,261.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.35 : 10,658.21 = 2,174.00 : x
  2. Step 2: Convert to fraction form
    7,104.35/10,658.21 = 2,174.00/x
  3. Step 3: Cross multiply
    7,104.35x = 10,658.21 × 2,174.00
  4. Step 4: Simplify right side
    7,104.35x = 23,170,884.38
  5. Step 5: Solve for x
    x = 23,170,884.38/7,104.35
  6. Step 6: Final answer
    x = 3,261.51

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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.