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Finding the Fourth Proportional to 7,592.80, 11,389.80 and 2,399.12

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Solution

The fourth proportional to 7,592.80, 11,389.80 and 2,399.12 is: 3,598.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,592.80 : 11,389.80 = 2,399.12 : x
  2. Step 2: Convert to fraction form
    7,592.80/11,389.80 = 2,399.12/x
  3. Step 3: Cross multiply
    7,592.80x = 11,389.80 × 2,399.12
  4. Step 4: Simplify right side
    7,592.80x = 27,325,496.98
  5. Step 5: Solve for x
    x = 27,325,496.98/7,592.80
  6. Step 6: Final answer
    x = 3,598.87

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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.