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Finding the Fourth Proportional to 57,835.42, 86,753.14 and 18,392.54

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Solution

The fourth proportional to 57,835.42, 86,753.14 and 18,392.54 is: 27,588.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,835.42 : 86,753.14 = 18,392.54 : x
  2. Step 2: Convert to fraction form
    57,835.42/86,753.14 = 18,392.54/x
  3. Step 3: Cross multiply
    57,835.42x = 86,753.14 × 18,392.54
  4. Step 4: Simplify right side
    57,835.42x = 1,595,610,597.58
  5. Step 5: Solve for x
    x = 1,595,610,597.58/57,835.42
  6. Step 6: Final answer
    x = 27,588.81

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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.