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Finding the Fourth Proportional to 23,628.65, 35,446.64 and 6,986.97

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Solution

The fourth proportional to 23,628.65, 35,446.64 and 6,986.97 is: 10,481.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,628.65 : 35,446.64 = 6,986.97 : x
  2. Step 2: Convert to fraction form
    23,628.65/35,446.64 = 6,986.97/x
  3. Step 3: Cross multiply
    23,628.65x = 35,446.64 × 6,986.97
  4. Step 4: Simplify right side
    23,628.65x = 247,664,575.35
  5. Step 5: Solve for x
    x = 247,664,575.35/23,628.65
  6. Step 6: Final answer
    x = 10,481.54

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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.