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Finding the Fourth Proportional to 18,174.48, 27,250.02 and 7,651.32

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Solution

The fourth proportional to 18,174.48, 27,250.02 and 7,651.32 is: 11,472.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,174.48 : 27,250.02 = 7,651.32 : x
  2. Step 2: Convert to fraction form
    18,174.48/27,250.02 = 7,651.32/x
  3. Step 3: Cross multiply
    18,174.48x = 27,250.02 × 7,651.32
  4. Step 4: Simplify right side
    18,174.48x = 208,498,623.03
  5. Step 5: Solve for x
    x = 208,498,623.03/18,174.48
  6. Step 6: Final answer
    x = 11,472.05

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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.