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Finding the Fourth Proportional to 6,893.30, 10,339.95 and 2,997.71

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Solution

The fourth proportional to 6,893.30, 10,339.95 and 2,997.71 is: 4,496.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,893.30 : 10,339.95 = 2,997.71 : x
  2. Step 2: Convert to fraction form
    6,893.30/10,339.95 = 2,997.71/x
  3. Step 3: Cross multiply
    6,893.30x = 10,339.95 × 2,997.71
  4. Step 4: Simplify right side
    6,893.30x = 30,996,108.57
  5. Step 5: Solve for x
    x = 30,996,108.57/6,893.30
  6. Step 6: Final answer
    x = 4,496.56

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Half scale
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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.