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Finding the Fourth Proportional to 16,640.10, 24,960.15 and 10,079.10

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Solution

The fourth proportional to 16,640.10, 24,960.15 and 10,079.10 is: 15,118.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,640.10 : 24,960.15 = 10,079.10 : x
  2. Step 2: Convert to fraction form
    16,640.10/24,960.15 = 10,079.10/x
  3. Step 3: Cross multiply
    16,640.10x = 24,960.15 × 10,079.10
  4. Step 4: Simplify right side
    16,640.10x = 251,575,847.87
  5. Step 5: Solve for x
    x = 251,575,847.87/16,640.10
  6. Step 6: Final answer
    x = 15,118.65

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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.