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Finding the Fourth Proportional to 11,187.52, 16,780.44 and 6,803.92

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Solution

The fourth proportional to 11,187.52, 16,780.44 and 6,803.92 is: 10,205.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.52 : 16,780.44 = 6,803.92 : x
  2. Step 2: Convert to fraction form
    11,187.52/16,780.44 = 6,803.92/x
  3. Step 3: Cross multiply
    11,187.52x = 16,780.44 × 6,803.92
  4. Step 4: Simplify right side
    11,187.52x = 114,172,771.32
  5. Step 5: Solve for x
    x = 114,172,771.32/11,187.52
  6. Step 6: Final answer
    x = 10,205.37

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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.