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Finding the Fourth Proportional to 63,605.73, 87,772.47 and 35,309.59

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Solution

The fourth proportional to 63,605.73, 87,772.47 and 35,309.59 is: 48,725.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,605.73 : 87,772.47 = 35,309.59 : x
  2. Step 2: Convert to fraction form
    63,605.73/87,772.47 = 35,309.59/x
  3. Step 3: Cross multiply
    63,605.73x = 87,772.47 × 35,309.59
  4. Step 4: Simplify right side
    63,605.73x = 3,099,209,928.99
  5. Step 5: Solve for x
    x = 3,099,209,928.99/63,605.73
  6. Step 6: Final answer
    x = 48,725.33

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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.