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Finding the Fourth Proportional to 33,257, 45,898.92 and 19,112.60

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Solution

The fourth proportional to 33,257, 45,898.92 and 19,112.60 is: 26,377.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,257 : 45,898.92 = 19,112.60 : x
  2. Step 2: Convert to fraction form
    33,257/45,898.92 = 19,112.60/x
  3. Step 3: Cross multiply
    33,257x = 45,898.92 × 19,112.60
  4. Step 4: Simplify right side
    33,257x = 877,247,698.39
  5. Step 5: Solve for x
    x = 877,247,698.39/33,257
  6. Step 6: Final answer
    x = 26,377.84

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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.