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Finding the Fourth Proportional to 4,797.96, 7,197.30 and 1,511.22

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Solution

The fourth proportional to 4,797.96, 7,197.30 and 1,511.22 is: 2,266.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,797.96 : 7,197.30 = 1,511.22 : x
  2. Step 2: Convert to fraction form
    4,797.96/7,197.30 = 1,511.22/x
  3. Step 3: Cross multiply
    4,797.96x = 7,197.30 × 1,511.22
  4. Step 4: Simplify right side
    4,797.96x = 10,876,703.71
  5. Step 5: Solve for x
    x = 10,876,703.71/4,797.96
  6. Step 6: Final answer
    x = 2,266.94

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Double scale
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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.