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Finding the Fourth Proportional to 16,381.17, 24,571.73 and 7,015.10

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Solution

The fourth proportional to 16,381.17, 24,571.73 and 7,015.10 is: 10,522.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,381.17 : 24,571.73 = 7,015.10 : x
  2. Step 2: Convert to fraction form
    16,381.17/24,571.73 = 7,015.10/x
  3. Step 3: Cross multiply
    16,381.17x = 24,571.73 × 7,015.10
  4. Step 4: Simplify right side
    16,381.17x = 172,373,037.80
  5. Step 5: Solve for x
    x = 172,373,037.80/16,381.17
  6. Step 6: Final answer
    x = 10,522.63

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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.