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Finding the Fourth Proportional to 63,687.63, 87,796.30 and 44,507.86

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Solution

The fourth proportional to 63,687.63, 87,796.30 and 44,507.86 is: 61,356.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,687.63 : 87,796.30 = 44,507.86 : x
  2. Step 2: Convert to fraction form
    63,687.63/87,796.30 = 44,507.86/x
  3. Step 3: Cross multiply
    63,687.63x = 87,796.30 × 44,507.86
  4. Step 4: Simplify right side
    63,687.63x = 3,907,625,428.92
  5. Step 5: Solve for x
    x = 3,907,625,428.92/63,687.63
  6. Step 6: Final answer
    x = 61,356.11

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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.