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Finding the Fourth Proportional to 18,482.88, 25,525.02 and 11,771.53

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Solution

The fourth proportional to 18,482.88, 25,525.02 and 11,771.53 is: 16,256.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,482.88 : 25,525.02 = 11,771.53 : x
  2. Step 2: Convert to fraction form
    18,482.88/25,525.02 = 11,771.53/x
  3. Step 3: Cross multiply
    18,482.88x = 25,525.02 × 11,771.53
  4. Step 4: Simplify right side
    18,482.88x = 300,468,519.01
  5. Step 5: Solve for x
    x = 300,468,519.01/18,482.88
  6. Step 6: Final answer
    x = 16,256.58

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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.