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Finding the Fourth Proportional to 12,054.88, 16,632.84 and 6,748.84

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Solution

The fourth proportional to 12,054.88, 16,632.84 and 6,748.84 is: 9,311.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,054.88 : 16,632.84 = 6,748.84 : x
  2. Step 2: Convert to fraction form
    12,054.88/16,632.84 = 6,748.84/x
  3. Step 3: Cross multiply
    12,054.88x = 16,632.84 × 6,748.84
  4. Step 4: Simplify right side
    12,054.88x = 112,252,375.91
  5. Step 5: Solve for x
    x = 112,252,375.91/12,054.88
  6. Step 6: Final answer
    x = 9,311.78

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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.