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Finding the Fourth Proportional to 18,048.51, 27,082.49 and 7,525.80

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Solution

The fourth proportional to 18,048.51, 27,082.49 and 7,525.80 is: 11,292.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,048.51 : 27,082.49 = 7,525.80 : x
  2. Step 2: Convert to fraction form
    18,048.51/27,082.49 = 7,525.80/x
  3. Step 3: Cross multiply
    18,048.51x = 27,082.49 × 7,525.80
  4. Step 4: Simplify right side
    18,048.51x = 203,817,365.61
  5. Step 5: Solve for x
    x = 203,817,365.61/18,048.51
  6. Step 6: Final answer
    x = 11,292.75

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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.