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Finding the Fourth Proportional to 48,497.89, 72,749.91 and 15,219.27

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Solution

The fourth proportional to 48,497.89, 72,749.91 and 15,219.27 is: 22,829.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,497.89 : 72,749.91 = 15,219.27 : x
  2. Step 2: Convert to fraction form
    48,497.89/72,749.91 = 15,219.27/x
  3. Step 3: Cross multiply
    48,497.89x = 72,749.91 × 15,219.27
  4. Step 4: Simplify right side
    48,497.89x = 1,107,200,082.92
  5. Step 5: Solve for x
    x = 1,107,200,082.92/48,497.89
  6. Step 6: Final answer
    x = 22,829.86

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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.