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Finding the Fourth Proportional to 53,951.80, 80,951.03 and 28,962.67

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Solution

The fourth proportional to 53,951.80, 80,951.03 and 28,962.67 is: 43,456.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,951.80 : 80,951.03 = 28,962.67 : x
  2. Step 2: Convert to fraction form
    53,951.80/80,951.03 = 28,962.67/x
  3. Step 3: Cross multiply
    53,951.80x = 80,951.03 × 28,962.67
  4. Step 4: Simplify right side
    53,951.80x = 2,344,557,799.79
  5. Step 5: Solve for x
    x = 2,344,557,799.79/53,951.80
  6. Step 6: Final answer
    x = 43,456.53

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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.