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Finding the Fourth Proportional to 8,481.84, 11,704.98 and 4,704.74

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Solution

The fourth proportional to 8,481.84, 11,704.98 and 4,704.74 is: 6,492.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481.84 : 11,704.98 = 4,704.74 : x
  2. Step 2: Convert to fraction form
    8,481.84/11,704.98 = 4,704.74/x
  3. Step 3: Cross multiply
    8,481.84x = 11,704.98 × 4,704.74
  4. Step 4: Simplify right side
    8,481.84x = 55,068,887.61
  5. Step 5: Solve for x
    x = 55,068,887.61/8,481.84
  6. Step 6: Final answer
    x = 6,492.56

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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.