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Finding the Fourth Proportional to 69,350.48, 104,041.36 and 21,968.48

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Solution

The fourth proportional to 69,350.48, 104,041.36 and 21,968.48 is: 32,957.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,350.48 : 104,041.36 = 21,968.48 : x
  2. Step 2: Convert to fraction form
    69,350.48/104,041.36 = 21,968.48/x
  3. Step 3: Cross multiply
    69,350.48x = 104,041.36 × 21,968.48
  4. Step 4: Simplify right side
    69,350.48x = 2,285,630,536.33
  5. Step 5: Solve for x
    x = 2,285,630,536.33/69,350.48
  6. Step 6: Final answer
    x = 32,957.67

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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.