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Finding the Fourth Proportional to 17,672.21, 26,507.70 and 4,524.69

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Solution

The fourth proportional to 17,672.21, 26,507.70 and 4,524.69 is: 6,786.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,672.21 : 26,507.70 = 4,524.69 : x
  2. Step 2: Convert to fraction form
    17,672.21/26,507.70 = 4,524.69/x
  3. Step 3: Cross multiply
    17,672.21x = 26,507.70 × 4,524.69
  4. Step 4: Simplify right side
    17,672.21x = 119,939,125.11
  5. Step 5: Solve for x
    x = 119,939,125.11/17,672.21
  6. Step 6: Final answer
    x = 6,786.88

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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.