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Finding the Fourth Proportional to 69,615, 104,440.32 and 22,868.28

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Solution

The fourth proportional to 69,615, 104,440.32 and 22,868.28 is: 34,308.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,615 : 104,440.32 = 22,868.28 : x
  2. Step 2: Convert to fraction form
    69,615/104,440.32 = 22,868.28/x
  3. Step 3: Cross multiply
    69,615x = 104,440.32 × 22,868.28
  4. Step 4: Simplify right side
    69,615x = 2,388,370,481.05
  5. Step 5: Solve for x
    x = 2,388,370,481.05/69,615
  6. Step 6: Final answer
    x = 34,308.27

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1.5x scale

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.