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Finding the Fourth Proportional to 33,889.39, 46,766.87 and 18,782.08

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Solution

The fourth proportional to 33,889.39, 46,766.87 and 18,782.08 is: 25,919.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,889.39 : 46,766.87 = 18,782.08 : x
  2. Step 2: Convert to fraction form
    33,889.39/46,766.87 = 18,782.08/x
  3. Step 3: Cross multiply
    33,889.39x = 46,766.87 × 18,782.08
  4. Step 4: Simplify right side
    33,889.39x = 878,378,953.29
  5. Step 5: Solve for x
    x = 878,378,953.29/33,889.39
  6. Step 6: Final answer
    x = 25,919.00

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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.