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Finding the Fourth Proportional to 48,670.77, 73,015.17 and 15,399.21

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Solution

The fourth proportional to 48,670.77, 73,015.17 and 15,399.21 is: 23,101.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,670.77 : 73,015.17 = 15,399.21 : x
  2. Step 2: Convert to fraction form
    48,670.77/73,015.17 = 15,399.21/x
  3. Step 3: Cross multiply
    48,670.77x = 73,015.17 × 15,399.21
  4. Step 4: Simplify right side
    48,670.77x = 1,124,375,859.02
  5. Step 5: Solve for x
    x = 1,124,375,859.02/48,670.77
  6. Step 6: Final answer
    x = 23,101.67

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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.