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Finding the Fourth Proportional to 48,589.68, 72,859.50 and 22,271.88

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Solution

The fourth proportional to 48,589.68, 72,859.50 and 22,271.88 is: 33,396.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,589.68 : 72,859.50 = 22,271.88 : x
  2. Step 2: Convert to fraction form
    48,589.68/72,859.50 = 22,271.88/x
  3. Step 3: Cross multiply
    48,589.68x = 72,859.50 × 22,271.88
  4. Step 4: Simplify right side
    48,589.68x = 1,622,718,040.86
  5. Step 5: Solve for x
    x = 1,622,718,040.86/48,589.68
  6. Step 6: Final answer
    x = 33,396.35

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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.