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Finding the Fourth Proportional to 18,047.56, 27,075.60 and 5,735.56

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Solution

The fourth proportional to 18,047.56, 27,075.60 and 5,735.56 is: 8,604.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,047.56 : 27,075.60 = 5,735.56 : x
  2. Step 2: Convert to fraction form
    18,047.56/27,075.60 = 5,735.56/x
  3. Step 3: Cross multiply
    18,047.56x = 27,075.60 × 5,735.56
  4. Step 4: Simplify right side
    18,047.56x = 155,293,728.34
  5. Step 5: Solve for x
    x = 155,293,728.34/18,047.56
  6. Step 6: Final answer
    x = 8,604.69

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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.