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Finding the Fourth Proportional to 16,486.22, 22,750.85 and 8,932.38

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Solution

The fourth proportional to 16,486.22, 22,750.85 and 8,932.38 is: 12,326.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,486.22 : 22,750.85 = 8,932.38 : x
  2. Step 2: Convert to fraction form
    16,486.22/22,750.85 = 8,932.38/x
  3. Step 3: Cross multiply
    16,486.22x = 22,750.85 × 8,932.38
  4. Step 4: Simplify right side
    16,486.22x = 203,219,237.52
  5. Step 5: Solve for x
    x = 203,219,237.52/16,486.22
  6. Step 6: Final answer
    x = 12,326.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.