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Finding the Fourth Proportional to 11,491.62, 17,245.62 and 4,922.52

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Solution

The fourth proportional to 11,491.62, 17,245.62 and 4,922.52 is: 7,387.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,491.62 : 17,245.62 = 4,922.52 : x
  2. Step 2: Convert to fraction form
    11,491.62/17,245.62 = 4,922.52/x
  3. Step 3: Cross multiply
    11,491.62x = 17,245.62 × 4,922.52
  4. Step 4: Simplify right side
    11,491.62x = 84,891,909.36
  5. Step 5: Solve for x
    x = 84,891,909.36/11,491.62
  6. Step 6: Final answer
    x = 7,387.29

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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.