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Finding the Fourth Proportional to 63,372.94, 87,446.94 and 50,485.02

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Solution

The fourth proportional to 63,372.94, 87,446.94 and 50,485.02 is: 69,663.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,372.94 : 87,446.94 = 50,485.02 : x
  2. Step 2: Convert to fraction form
    63,372.94/87,446.94 = 50,485.02/x
  3. Step 3: Cross multiply
    63,372.94x = 87,446.94 × 50,485.02
  4. Step 4: Simplify right side
    63,372.94x = 4,414,760,514.84
  5. Step 5: Solve for x
    x = 4,414,760,514.84/63,372.94
  6. Step 6: Final answer
    x = 69,663.18

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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.