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Finding the Fourth Proportional to 43,969.73, 65,953.99 and 10,689.69

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Solution

The fourth proportional to 43,969.73, 65,953.99 and 10,689.69 is: 16,034.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,969.73 : 65,953.99 = 10,689.69 : x
  2. Step 2: Convert to fraction form
    43,969.73/65,953.99 = 10,689.69/x
  3. Step 3: Cross multiply
    43,969.73x = 65,953.99 × 10,689.69
  4. Step 4: Simplify right side
    43,969.73x = 705,027,707.36
  5. Step 5: Solve for x
    x = 705,027,707.36/43,969.73
  6. Step 6: Final answer
    x = 16,034.39

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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.