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Finding the Fourth Proportional to 11,473.73, 17,207.46 and 3,151.77

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Solution

The fourth proportional to 11,473.73, 17,207.46 and 3,151.77 is: 4,726.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,473.73 : 17,207.46 = 3,151.77 : x
  2. Step 2: Convert to fraction form
    11,473.73/17,207.46 = 3,151.77/x
  3. Step 3: Cross multiply
    11,473.73x = 17,207.46 × 3,151.77
  4. Step 4: Simplify right side
    11,473.73x = 54,233,903.50
  5. Step 5: Solve for x
    x = 54,233,903.50/11,473.73
  6. Step 6: Final answer
    x = 4,726.79

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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.