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Finding the Fourth Proportional to 16,119.45, 24,183.26 and 7,803.45

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Solution

The fourth proportional to 16,119.45, 24,183.26 and 7,803.45 is: 11,707.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,119.45 : 24,183.26 = 7,803.45 : x
  2. Step 2: Convert to fraction form
    16,119.45/24,183.26 = 7,803.45/x
  3. Step 3: Cross multiply
    16,119.45x = 24,183.26 × 7,803.45
  4. Step 4: Simplify right side
    16,119.45x = 188,712,821.23
  5. Step 5: Solve for x
    x = 188,712,821.23/16,119.45
  6. Step 6: Final answer
    x = 11,707.15

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1.5x scale

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.