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Finding the Fourth Proportional to 18,273.36, 25,266.96 and 17,976.96

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Solution

The fourth proportional to 18,273.36, 25,266.96 and 17,976.96 is: 24,857.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.36 : 25,266.96 = 17,976.96 : x
  2. Step 2: Convert to fraction form
    18,273.36/25,266.96 = 17,976.96/x
  3. Step 3: Cross multiply
    18,273.36x = 25,266.96 × 17,976.96
  4. Step 4: Simplify right side
    18,273.36x = 454,223,129.24
  5. Step 5: Solve for x
    x = 454,223,129.24/18,273.36
  6. Step 6: Final answer
    x = 24,857.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.