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Finding the Fourth Proportional to 25,976.91, 35,843.58 and 15,362.67

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Solution

The fourth proportional to 25,976.91, 35,843.58 and 15,362.67 is: 21,197.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,976.91 : 35,843.58 = 15,362.67 : x
  2. Step 2: Convert to fraction form
    25,976.91/35,843.58 = 15,362.67/x
  3. Step 3: Cross multiply
    25,976.91x = 35,843.58 × 15,362.67
  4. Step 4: Simplify right side
    25,976.91x = 550,653,091.16
  5. Step 5: Solve for x
    x = 550,653,091.16/25,976.91
  6. Step 6: Final answer
    x = 21,197.79

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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.