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Finding the Fourth Proportional to 14,174.61, 21,243.42 and 5,845.11

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Solution

The fourth proportional to 14,174.61, 21,243.42 and 5,845.11 is: 8,760.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,174.61 : 21,243.42 = 5,845.11 : x
  2. Step 2: Convert to fraction form
    14,174.61/21,243.42 = 5,845.11/x
  3. Step 3: Cross multiply
    14,174.61x = 21,243.42 × 5,845.11
  4. Step 4: Simplify right side
    14,174.61x = 124,170,126.68
  5. Step 5: Solve for x
    x = 124,170,126.68/14,174.61
  6. Step 6: Final answer
    x = 8,760.04

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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.