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Finding the Fourth Proportional to 16,617.68, 24,868.01 and 10,380.63

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Solution

The fourth proportional to 16,617.68, 24,868.01 and 10,380.63 is: 15,534.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,617.68 : 24,868.01 = 10,380.63 : x
  2. Step 2: Convert to fraction form
    16,617.68/24,868.01 = 10,380.63/x
  3. Step 3: Cross multiply
    16,617.68x = 24,868.01 × 10,380.63
  4. Step 4: Simplify right side
    16,617.68x = 258,145,659.91
  5. Step 5: Solve for x
    x = 258,145,659.91/16,617.68
  6. Step 6: Final answer
    x = 15,534.40

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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.