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Finding the Fourth Proportional to 63,758.18, 87,986.34 and 35,078.24

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Solution

The fourth proportional to 63,758.18, 87,986.34 and 35,078.24 is: 48,408.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,758.18 : 87,986.34 = 35,078.24 : x
  2. Step 2: Convert to fraction form
    63,758.18/87,986.34 = 35,078.24/x
  3. Step 3: Cross multiply
    63,758.18x = 87,986.34 × 35,078.24
  4. Step 4: Simplify right side
    63,758.18x = 3,086,405,951.24
  5. Step 5: Solve for x
    x = 3,086,405,951.24/63,758.18
  6. Step 6: Final answer
    x = 48,408.00

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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.