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Finding the Fourth Proportional to 11,645.52, 17,470.88 and 4,249.98

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Solution

The fourth proportional to 11,645.52, 17,470.88 and 4,249.98 is: 6,375.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,645.52 : 17,470.88 = 4,249.98 : x
  2. Step 2: Convert to fraction form
    11,645.52/17,470.88 = 4,249.98/x
  3. Step 3: Cross multiply
    11,645.52x = 17,470.88 × 4,249.98
  4. Step 4: Simplify right side
    11,645.52x = 74,250,885.27
  5. Step 5: Solve for x
    x = 74,250,885.27/11,645.52
  6. Step 6: Final answer
    x = 6,375.92

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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.