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Finding the Fourth Proportional to 19,653.84, 29,480.76 and 16,183.80

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Solution

The fourth proportional to 19,653.84, 29,480.76 and 16,183.80 is: 24,275.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,653.84 : 29,480.76 = 16,183.80 : x
  2. Step 2: Convert to fraction form
    19,653.84/29,480.76 = 16,183.80/x
  3. Step 3: Cross multiply
    19,653.84x = 29,480.76 × 16,183.80
  4. Step 4: Simplify right side
    19,653.84x = 477,110,723.69
  5. Step 5: Solve for x
    x = 477,110,723.69/19,653.84
  6. Step 6: Final answer
    x = 24,275.70

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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.