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Finding the Fourth Proportional to 11,950.53, 17,917.89 and 4,550.37

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Solution

The fourth proportional to 11,950.53, 17,917.89 and 4,550.37 is: 6,822.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,950.53 : 17,917.89 = 4,550.37 : x
  2. Step 2: Convert to fraction form
    11,950.53/17,917.89 = 4,550.37/x
  3. Step 3: Cross multiply
    11,950.53x = 17,917.89 × 4,550.37
  4. Step 4: Simplify right side
    11,950.53x = 81,533,029.12
  5. Step 5: Solve for x
    x = 81,533,029.12/11,950.53
  6. Step 6: Final answer
    x = 6,822.55

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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.