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Finding the Fourth Proportional to 33,889.86, 46,764.27 and 18,782.10

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Solution

The fourth proportional to 33,889.86, 46,764.27 and 18,782.10 is: 25,917.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,889.86 : 46,764.27 = 18,782.10 : x
  2. Step 2: Convert to fraction form
    33,889.86/46,764.27 = 18,782.10/x
  3. Step 3: Cross multiply
    33,889.86x = 46,764.27 × 18,782.10
  4. Step 4: Simplify right side
    33,889.86x = 878,331,195.57
  5. Step 5: Solve for x
    x = 878,331,195.57/33,889.86
  6. Step 6: Final answer
    x = 25,917.23

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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.