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Finding the Fourth Proportional to 6,673.28, 9,996.88 and 5,748.80

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Solution

The fourth proportional to 6,673.28, 9,996.88 and 5,748.80 is: 8,611.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,673.28 : 9,996.88 = 5,748.80 : x
  2. Step 2: Convert to fraction form
    6,673.28/9,996.88 = 5,748.80/x
  3. Step 3: Cross multiply
    6,673.28x = 9,996.88 × 5,748.80
  4. Step 4: Simplify right side
    6,673.28x = 57,470,063.74
  5. Step 5: Solve for x
    x = 57,470,063.74/6,673.28
  6. Step 6: Final answer
    x = 8,611.97

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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.