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Finding the Fourth Proportional to 74,606.04, 111,912.16 and 22,015.54

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Solution

The fourth proportional to 74,606.04, 111,912.16 and 22,015.54 is: 33,024.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,606.04 : 111,912.16 = 22,015.54 : x
  2. Step 2: Convert to fraction form
    74,606.04/111,912.16 = 22,015.54/x
  3. Step 3: Cross multiply
    74,606.04x = 111,912.16 × 22,015.54
  4. Step 4: Simplify right side
    74,606.04x = 2,463,806,634.97
  5. Step 5: Solve for x
    x = 2,463,806,634.97/74,606.04
  6. Step 6: Final answer
    x = 33,024.22

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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.