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Finding the Fourth Proportional to 6,624.14, 9,936.18 and 1,693.76

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Solution

The fourth proportional to 6,624.14, 9,936.18 and 1,693.76 is: 2,540.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624.14 : 9,936.18 = 1,693.76 : x
  2. Step 2: Convert to fraction form
    6,624.14/9,936.18 = 1,693.76/x
  3. Step 3: Cross multiply
    6,624.14x = 9,936.18 × 1,693.76
  4. Step 4: Simplify right side
    6,624.14x = 16,829,504.24
  5. Step 5: Solve for x
    x = 16,829,504.24/6,624.14
  6. Step 6: Final answer
    x = 2,540.63

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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.