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Finding the Fourth Proportional to 48,497.45, 72,748.92 and 15,216.78

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Solution

The fourth proportional to 48,497.45, 72,748.92 and 15,216.78 is: 22,826.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,497.45 : 72,748.92 = 15,216.78 : x
  2. Step 2: Convert to fraction form
    48,497.45/72,748.92 = 15,216.78/x
  3. Step 3: Cross multiply
    48,497.45x = 72,748.92 × 15,216.78
  4. Step 4: Simplify right side
    48,497.45x = 1,107,004,310.88
  5. Step 5: Solve for x
    x = 1,107,004,310.88/48,497.45
  6. Step 6: Final answer
    x = 22,826.03

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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.