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Finding the Fourth Proportional to 16,402.46, 24,608.91 and 6,919.79

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Solution

The fourth proportional to 16,402.46, 24,608.91 and 6,919.79 is: 10,381.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,402.46 : 24,608.91 = 6,919.79 : x
  2. Step 2: Convert to fraction form
    16,402.46/24,608.91 = 6,919.79/x
  3. Step 3: Cross multiply
    16,402.46x = 24,608.91 × 6,919.79
  4. Step 4: Simplify right side
    16,402.46x = 170,288,489.33
  5. Step 5: Solve for x
    x = 170,288,489.33/16,402.46
  6. Step 6: Final answer
    x = 10,381.89

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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.