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Finding the Fourth Proportional to 7,757.02, 11,638.41 and 3,599.02

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Solution

The fourth proportional to 7,757.02, 11,638.41 and 3,599.02 is: 5,399.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,757.02 : 11,638.41 = 3,599.02 : x
  2. Step 2: Convert to fraction form
    7,757.02/11,638.41 = 3,599.02/x
  3. Step 3: Cross multiply
    7,757.02x = 11,638.41 × 3,599.02
  4. Step 4: Simplify right side
    7,757.02x = 41,886,870.36
  5. Step 5: Solve for x
    x = 41,886,870.36/7,757.02
  6. Step 6: Final answer
    x = 5,399.87

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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.