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Finding the Fourth Proportional to 23,323.92, 32,014.80 and 20,749.65

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Solution

The fourth proportional to 23,323.92, 32,014.80 and 20,749.65 is: 28,481.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,323.92 : 32,014.80 = 20,749.65 : x
  2. Step 2: Convert to fraction form
    23,323.92/32,014.80 = 20,749.65/x
  3. Step 3: Cross multiply
    23,323.92x = 32,014.80 × 20,749.65
  4. Step 4: Simplify right side
    23,323.92x = 664,295,894.82
  5. Step 5: Solve for x
    x = 664,295,894.82/23,323.92
  6. Step 6: Final answer
    x = 28,481.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.