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Finding the Fourth Proportional to 43,885.26, 65,828.06 and 10,605.27

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Solution

The fourth proportional to 43,885.26, 65,828.06 and 10,605.27 is: 15,907.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,885.26 : 65,828.06 = 10,605.27 : x
  2. Step 2: Convert to fraction form
    43,885.26/65,828.06 = 10,605.27/x
  3. Step 3: Cross multiply
    43,885.26x = 65,828.06 × 10,605.27
  4. Step 4: Simplify right side
    43,885.26x = 698,124,296.85
  5. Step 5: Solve for x
    x = 698,124,296.85/43,885.26
  6. Step 6: Final answer
    x = 15,907.94

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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.