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Finding the Fourth Proportional to 6,163.28, 9,245.12 and 1,780.96

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Solution

The fourth proportional to 6,163.28, 9,245.12 and 1,780.96 is: 2,671.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,163.28 : 9,245.12 = 1,780.96 : x
  2. Step 2: Convert to fraction form
    6,163.28/9,245.12 = 1,780.96/x
  3. Step 3: Cross multiply
    6,163.28x = 9,245.12 × 1,780.96
  4. Step 4: Simplify right side
    6,163.28x = 16,465,188.92
  5. Step 5: Solve for x
    x = 16,465,188.92/6,163.28
  6. Step 6: Final answer
    x = 2,671.50

Related Problems

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Half scale
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Double scale
Find fourth proportional to 6,164.28, 9,246.62 and 1,781.96
Similar ratio
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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.