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Finding the Fourth Proportional to 16,771.19, 25,133.18 and 13,245.71

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Solution

The fourth proportional to 16,771.19, 25,133.18 and 13,245.71 is: 19,849.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,771.19 : 25,133.18 = 13,245.71 : x
  2. Step 2: Convert to fraction form
    16,771.19/25,133.18 = 13,245.71/x
  3. Step 3: Cross multiply
    16,771.19x = 25,133.18 × 13,245.71
  4. Step 4: Simplify right side
    16,771.19x = 332,906,621.76
  5. Step 5: Solve for x
    x = 332,906,621.76/16,771.19
  6. Step 6: Final answer
    x = 19,849.92

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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.