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Finding the Fourth Proportional to 63,391.82, 87,474.64 and 37,893.14

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Solution

The fourth proportional to 63,391.82, 87,474.64 and 37,893.14 is: 52,288.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,391.82 : 87,474.64 = 37,893.14 : x
  2. Step 2: Convert to fraction form
    63,391.82/87,474.64 = 37,893.14/x
  3. Step 3: Cross multiply
    63,391.82x = 87,474.64 × 37,893.14
  4. Step 4: Simplify right side
    63,391.82x = 3,314,688,779.97
  5. Step 5: Solve for x
    x = 3,314,688,779.97/63,391.82
  6. Step 6: Final answer
    x = 52,288.90

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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.