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Finding the Fourth Proportional to 29,208.52, 43,812.77 and 7,021.89

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Solution

The fourth proportional to 29,208.52, 43,812.77 and 7,021.89 is: 10,532.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,208.52 : 43,812.77 = 7,021.89 : x
  2. Step 2: Convert to fraction form
    29,208.52/43,812.77 = 7,021.89/x
  3. Step 3: Cross multiply
    29,208.52x = 43,812.77 × 7,021.89
  4. Step 4: Simplify right side
    29,208.52x = 307,648,455.92
  5. Step 5: Solve for x
    x = 307,648,455.92/29,208.52
  6. Step 6: Final answer
    x = 10,532.83

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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.