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Finding the Fourth Proportional to 59,374.30, 81,992.04 and 38,190.34

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Solution

The fourth proportional to 59,374.30, 81,992.04 and 38,190.34 is: 52,738.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,374.30 : 81,992.04 = 38,190.34 : x
  2. Step 2: Convert to fraction form
    59,374.30/81,992.04 = 38,190.34/x
  3. Step 3: Cross multiply
    59,374.30x = 81,992.04 × 38,190.34
  4. Step 4: Simplify right side
    59,374.30x = 3,131,303,884.89
  5. Step 5: Solve for x
    x = 3,131,303,884.89/59,374.30
  6. Step 6: Final answer
    x = 52,738.37

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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.