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Finding the Fourth Proportional to 6,408.76, 8,844.08 and 3,464.76

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Solution

The fourth proportional to 6,408.76, 8,844.08 and 3,464.76 is: 4,781.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408.76 : 8,844.08 = 3,464.76 : x
  2. Step 2: Convert to fraction form
    6,408.76/8,844.08 = 3,464.76/x
  3. Step 3: Cross multiply
    6,408.76x = 8,844.08 × 3,464.76
  4. Step 4: Simplify right side
    6,408.76x = 30,642,614.62
  5. Step 5: Solve for x
    x = 30,642,614.62/6,408.76
  6. Step 6: Final answer
    x = 4,781.36

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.