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Finding the Fourth Proportional to 64,880.52, 97,359.21 and 27,438.54

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Solution

The fourth proportional to 64,880.52, 97,359.21 and 27,438.54 is: 41,174.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,880.52 : 97,359.21 = 27,438.54 : x
  2. Step 2: Convert to fraction form
    64,880.52/97,359.21 = 27,438.54/x
  3. Step 3: Cross multiply
    64,880.52x = 97,359.21 × 27,438.54
  4. Step 4: Simplify right side
    64,880.52x = 2,671,394,577.95
  5. Step 5: Solve for x
    x = 2,671,394,577.95/64,880.52
  6. Step 6: Final answer
    x = 41,174.06

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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.