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Finding the Fourth Proportional to 18,372.03, 27,544.87 and 7,697.98

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Solution

The fourth proportional to 18,372.03, 27,544.87 and 7,697.98 is: 11,541.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372.03 : 27,544.87 = 7,697.98 : x
  2. Step 2: Convert to fraction form
    18,372.03/27,544.87 = 7,697.98/x
  3. Step 3: Cross multiply
    18,372.03x = 27,544.87 × 7,697.98
  4. Step 4: Simplify right side
    18,372.03x = 212,039,858.36
  5. Step 5: Solve for x
    x = 212,039,858.36/18,372.03
  6. Step 6: Final answer
    x = 11,541.45

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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.