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Finding the Fourth Proportional to 48,540.80, 72,797.85 and 30,744.77

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Solution

The fourth proportional to 48,540.80, 72,797.85 and 30,744.77 is: 46,108.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,540.80 : 72,797.85 = 30,744.77 : x
  2. Step 2: Convert to fraction form
    48,540.80/72,797.85 = 30,744.77/x
  3. Step 3: Cross multiply
    48,540.80x = 72,797.85 × 30,744.77
  4. Step 4: Simplify right side
    48,540.80x = 2,238,152,790.76
  5. Step 5: Solve for x
    x = 2,238,152,790.76/48,540.80
  6. Step 6: Final answer
    x = 46,108.69

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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.