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Finding the Fourth Proportional to 8,005.44, 12,008.88 and 4,496.64

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Solution

The fourth proportional to 8,005.44, 12,008.88 and 4,496.64 is: 6,745.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,005.44 : 12,008.88 = 4,496.64 : x
  2. Step 2: Convert to fraction form
    8,005.44/12,008.88 = 4,496.64/x
  3. Step 3: Cross multiply
    8,005.44x = 12,008.88 × 4,496.64
  4. Step 4: Simplify right side
    8,005.44x = 53,999,610.16
  5. Step 5: Solve for x
    x = 53,999,610.16/8,005.44
  6. Step 6: Final answer
    x = 6,745.36

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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.