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Finding the Fourth Proportional to 63,640.58, 87,827.96 and 35,346.20

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Solution

The fourth proportional to 63,640.58, 87,827.96 and 35,346.20 is: 48,779.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,640.58 : 87,827.96 = 35,346.20 : x
  2. Step 2: Convert to fraction form
    63,640.58/87,827.96 = 35,346.20/x
  3. Step 3: Cross multiply
    63,640.58x = 87,827.96 × 35,346.20
  4. Step 4: Simplify right side
    63,640.58x = 3,104,384,288.98
  5. Step 5: Solve for x
    x = 3,104,384,288.98/63,640.58
  6. Step 6: Final answer
    x = 48,779.95

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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.