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Finding the Fourth Proportional to 17,752.44, 26,633.98 and 5,272.88

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Solution

The fourth proportional to 17,752.44, 26,633.98 and 5,272.88 is: 7,910.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,752.44 : 26,633.98 = 5,272.88 : x
  2. Step 2: Convert to fraction form
    17,752.44/26,633.98 = 5,272.88/x
  3. Step 3: Cross multiply
    17,752.44x = 26,633.98 × 5,272.88
  4. Step 4: Simplify right side
    17,752.44x = 140,437,780.46
  5. Step 5: Solve for x
    x = 140,437,780.46/17,752.44
  6. Step 6: Final answer
    x = 7,910.90

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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.