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Finding the Fourth Proportional to 33,916, 46,808.40 and 19,012

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Solution

The fourth proportional to 33,916, 46,808.40 and 19,012 is: 26,238.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,916 : 46,808.40 = 19,012 : x
  2. Step 2: Convert to fraction form
    33,916/46,808.40 = 19,012/x
  3. Step 3: Cross multiply
    33,916x = 46,808.40 × 19,012
  4. Step 4: Simplify right side
    33,916x = 889,921,300.80
  5. Step 5: Solve for x
    x = 889,921,300.80/33,916
  6. Step 6: Final answer
    x = 26,238.98

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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.