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Finding the Fourth Proportional to 57,573.14, 86,248.92 and 35,321.54

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Solution

The fourth proportional to 57,573.14, 86,248.92 and 35,321.54 is: 52,914.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,573.14 : 86,248.92 = 35,321.54 : x
  2. Step 2: Convert to fraction form
    57,573.14/86,248.92 = 35,321.54/x
  3. Step 3: Cross multiply
    57,573.14x = 86,248.92 × 35,321.54
  4. Step 4: Simplify right side
    57,573.14x = 3,046,444,677.74
  5. Step 5: Solve for x
    x = 3,046,444,677.74/57,573.14
  6. Step 6: Final answer
    x = 52,914.34

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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.