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Finding the Fourth Proportional to 43,469.77, 65,190.81 and 22,407.13

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Solution

The fourth proportional to 43,469.77, 65,190.81 and 22,407.13 is: 33,603.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,469.77 : 65,190.81 = 22,407.13 : x
  2. Step 2: Convert to fraction form
    43,469.77/65,190.81 = 22,407.13/x
  3. Step 3: Cross multiply
    43,469.77x = 65,190.81 × 22,407.13
  4. Step 4: Simplify right side
    43,469.77x = 1,460,738,954.48
  5. Step 5: Solve for x
    x = 1,460,738,954.48/43,469.77
  6. Step 6: Final answer
    x = 33,603.56

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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.