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Finding the Fourth Proportional to 63,305.25, 87,369.51 and 36,448.89

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Solution

The fourth proportional to 63,305.25, 87,369.51 and 36,448.89 is: 50,304.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,305.25 : 87,369.51 = 36,448.89 : x
  2. Step 2: Convert to fraction form
    63,305.25/87,369.51 = 36,448.89/x
  3. Step 3: Cross multiply
    63,305.25x = 87,369.51 × 36,448.89
  4. Step 4: Simplify right side
    63,305.25x = 3,184,521,659.34
  5. Step 5: Solve for x
    x = 3,184,521,659.34/63,305.25
  6. Step 6: Final answer
    x = 50,304.23

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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.