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Finding the Fourth Proportional to 69,720.63, 104,583.41 and 22,329.56

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Solution

The fourth proportional to 69,720.63, 104,583.41 and 22,329.56 is: 33,495.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,720.63 : 104,583.41 = 22,329.56 : x
  2. Step 2: Convert to fraction form
    69,720.63/104,583.41 = 22,329.56/x
  3. Step 3: Cross multiply
    69,720.63x = 104,583.41 × 22,329.56
  4. Step 4: Simplify right side
    69,720.63x = 2,335,300,894.03
  5. Step 5: Solve for x
    x = 2,335,300,894.03/69,720.63
  6. Step 6: Final answer
    x = 33,495.12

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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.