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Finding the Fourth Proportional to 16,751.70, 25,091.10 and 13,471.20

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Solution

The fourth proportional to 16,751.70, 25,091.10 and 13,471.20 is: 20,177.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,751.70 : 25,091.10 = 13,471.20 : x
  2. Step 2: Convert to fraction form
    16,751.70/25,091.10 = 13,471.20/x
  3. Step 3: Cross multiply
    16,751.70x = 25,091.10 × 13,471.20
  4. Step 4: Simplify right side
    16,751.70x = 338,007,226.32
  5. Step 5: Solve for x
    x = 338,007,226.32/16,751.70
  6. Step 6: Final answer
    x = 20,177.49

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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.