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Finding the Fourth Proportional to 38,893.67, 53,672.44 and 23,786.49

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Solution

The fourth proportional to 38,893.67, 53,672.44 and 23,786.49 is: 32,824.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,893.67 : 53,672.44 = 23,786.49 : x
  2. Step 2: Convert to fraction form
    38,893.67/53,672.44 = 23,786.49/x
  3. Step 3: Cross multiply
    38,893.67x = 53,672.44 × 23,786.49
  4. Step 4: Simplify right side
    38,893.67x = 1,276,678,957.34
  5. Step 5: Solve for x
    x = 1,276,678,957.34/38,893.67
  6. Step 6: Final answer
    x = 32,824.85

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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.