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Finding the Fourth Proportional to 63,438.69, 87,554.72 and 36,575.96

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Solution

The fourth proportional to 63,438.69, 87,554.72 and 36,575.96 is: 50,480.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,438.69 : 87,554.72 = 36,575.96 : x
  2. Step 2: Convert to fraction form
    63,438.69/87,554.72 = 36,575.96/x
  3. Step 3: Cross multiply
    63,438.69x = 87,554.72 × 36,575.96
  4. Step 4: Simplify right side
    63,438.69x = 3,202,397,590.20
  5. Step 5: Solve for x
    x = 3,202,397,590.20/63,438.69
  6. Step 6: Final answer
    x = 50,480.19

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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.