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Finding the Fourth Proportional to 10,392.84, 15,589.26 and 3,467.88

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Solution

The fourth proportional to 10,392.84, 15,589.26 and 3,467.88 is: 5,201.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392.84 : 15,589.26 = 3,467.88 : x
  2. Step 2: Convert to fraction form
    10,392.84/15,589.26 = 3,467.88/x
  3. Step 3: Cross multiply
    10,392.84x = 15,589.26 × 3,467.88
  4. Step 4: Simplify right side
    10,392.84x = 54,061,682.97
  5. Step 5: Solve for x
    x = 54,061,682.97/10,392.84
  6. Step 6: Final answer
    x = 5,201.82

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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.