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Finding the Fourth Proportional to 11,491.88, 17,237.64 and 6,550.98

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Solution

The fourth proportional to 11,491.88, 17,237.64 and 6,550.98 is: 9,826.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,491.88 : 17,237.64 = 6,550.98 : x
  2. Step 2: Convert to fraction form
    11,491.88/17,237.64 = 6,550.98/x
  3. Step 3: Cross multiply
    11,491.88x = 17,237.64 × 6,550.98
  4. Step 4: Simplify right side
    11,491.88x = 112,923,434.89
  5. Step 5: Solve for x
    x = 112,923,434.89/11,491.88
  6. Step 6: Final answer
    x = 9,826.37

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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.