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Finding the Fourth Proportional to 38,694.44, 57,966.92 and 28,544.94

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Solution

The fourth proportional to 38,694.44, 57,966.92 and 28,544.94 is: 42,762.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,694.44 : 57,966.92 = 28,544.94 : x
  2. Step 2: Convert to fraction form
    38,694.44/57,966.92 = 28,544.94/x
  3. Step 3: Cross multiply
    38,694.44x = 57,966.92 × 28,544.94
  4. Step 4: Simplify right side
    38,694.44x = 1,654,662,253.38
  5. Step 5: Solve for x
    x = 1,654,662,253.38/38,694.44
  6. Step 6: Final answer
    x = 42,762.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.