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Finding the Fourth Proportional to 18,029.56, 27,041 and 4,880.22

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Solution

The fourth proportional to 18,029.56, 27,041 and 4,880.22 is: 7,319.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,029.56 : 27,041 = 4,880.22 : x
  2. Step 2: Convert to fraction form
    18,029.56/27,041 = 4,880.22/x
  3. Step 3: Cross multiply
    18,029.56x = 27,041 × 4,880.22
  4. Step 4: Simplify right side
    18,029.56x = 131,966,029.02
  5. Step 5: Solve for x
    x = 131,966,029.02/18,029.56
  6. Step 6: Final answer
    x = 7,319.43

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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.