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Finding the Fourth Proportional to 52,992.50, 79,384.86 and 30,759.26

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Solution

The fourth proportional to 52,992.50, 79,384.86 and 30,759.26 is: 46,078.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,992.50 : 79,384.86 = 30,759.26 : x
  2. Step 2: Convert to fraction form
    52,992.50/79,384.86 = 30,759.26/x
  3. Step 3: Cross multiply
    52,992.50x = 79,384.86 × 30,759.26
  4. Step 4: Simplify right side
    52,992.50x = 2,441,819,548.80
  5. Step 5: Solve for x
    x = 2,441,819,548.80/52,992.50
  6. Step 6: Final answer
    x = 46,078.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.