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Finding the Fourth Proportional to 69,815, 104,720.94 and 17,224.94

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Solution

The fourth proportional to 69,815, 104,720.94 and 17,224.94 is: 25,837.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,815 : 104,720.94 = 17,224.94 : x
  2. Step 2: Convert to fraction form
    69,815/104,720.94 = 17,224.94/x
  3. Step 3: Cross multiply
    69,815x = 104,720.94 × 17,224.94
  4. Step 4: Simplify right side
    69,815x = 1,803,811,908.24
  5. Step 5: Solve for x
    x = 1,803,811,908.24/69,815
  6. Step 6: Final answer
    x = 25,837.03

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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.