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Finding the Fourth Proportional to 63,690.63, 87,868.56 and 41,027.85

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Solution

The fourth proportional to 63,690.63, 87,868.56 and 41,027.85 is: 56,602.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,690.63 : 87,868.56 = 41,027.85 : x
  2. Step 2: Convert to fraction form
    63,690.63/87,868.56 = 41,027.85/x
  3. Step 3: Cross multiply
    63,690.63x = 87,868.56 × 41,027.85
  4. Step 4: Simplify right side
    63,690.63x = 3,605,058,099.40
  5. Step 5: Solve for x
    x = 3,605,058,099.40/63,690.63
  6. Step 6: Final answer
    x = 56,602.64

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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.