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Finding the Fourth Proportional to 63,305.63, 87,373.44 and 40,672.91

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Solution

The fourth proportional to 63,305.63, 87,373.44 and 40,672.91 is: 56,136.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,305.63 : 87,373.44 = 40,672.91 : x
  2. Step 2: Convert to fraction form
    63,305.63/87,373.44 = 40,672.91/x
  3. Step 3: Cross multiply
    63,305.63x = 87,373.44 × 40,672.91
  4. Step 4: Simplify right side
    63,305.63x = 3,553,731,624.64
  5. Step 5: Solve for x
    x = 3,553,731,624.64/63,305.63
  6. Step 6: Final answer
    x = 56,136.11

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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.