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Finding the Fourth Proportional to 70,487.99, 105,697 and 22,450.33

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Solution

The fourth proportional to 70,487.99, 105,697 and 22,450.33 is: 33,664.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,487.99 : 105,697 = 22,450.33 : x
  2. Step 2: Convert to fraction form
    70,487.99/105,697 = 22,450.33/x
  3. Step 3: Cross multiply
    70,487.99x = 105,697 × 22,450.33
  4. Step 4: Simplify right side
    70,487.99x = 2,372,932,530.01
  5. Step 5: Solve for x
    x = 2,372,932,530.01/70,487.99
  6. Step 6: Final answer
    x = 33,664.35

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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.