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Finding the Fourth Proportional to 18,551.97, 25,592.81 and 12,176.01

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Solution

The fourth proportional to 18,551.97, 25,592.81 and 12,176.01 is: 16,797.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,551.97 : 25,592.81 = 12,176.01 : x
  2. Step 2: Convert to fraction form
    18,551.97/25,592.81 = 12,176.01/x
  3. Step 3: Cross multiply
    18,551.97x = 25,592.81 × 12,176.01
  4. Step 4: Simplify right side
    18,551.97x = 311,618,249.61
  5. Step 5: Solve for x
    x = 311,618,249.61/18,551.97
  6. Step 6: Final answer
    x = 16,797.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.