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Finding the Fourth Proportional to 6,443.01, 8,893.13 and 4,671.27

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Solution

The fourth proportional to 6,443.01, 8,893.13 and 4,671.27 is: 6,447.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,443.01 : 8,893.13 = 4,671.27 : x
  2. Step 2: Convert to fraction form
    6,443.01/8,893.13 = 4,671.27/x
  3. Step 3: Cross multiply
    6,443.01x = 8,893.13 × 4,671.27
  4. Step 4: Simplify right side
    6,443.01x = 41,542,188.02
  5. Step 5: Solve for x
    x = 41,542,188.02/6,443.01
  6. Step 6: Final answer
    x = 6,447.64

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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.