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Finding the Fourth Proportional to 33,806.70, 46,663.29 and 21,869.73

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Solution

The fourth proportional to 33,806.70, 46,663.29 and 21,869.73 is: 30,186.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,806.70 : 46,663.29 = 21,869.73 : x
  2. Step 2: Convert to fraction form
    33,806.70/46,663.29 = 21,869.73/x
  3. Step 3: Cross multiply
    33,806.70x = 46,663.29 × 21,869.73
  4. Step 4: Simplify right side
    33,806.70x = 1,020,513,553.21
  5. Step 5: Solve for x
    x = 1,020,513,553.21/33,806.70
  6. Step 6: Final answer
    x = 30,186.72

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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.