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Finding the Fourth Proportional to 8,451.66, 12,675.04 and 3,256.32

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Solution

The fourth proportional to 8,451.66, 12,675.04 and 3,256.32 is: 4,883.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,451.66 : 12,675.04 = 3,256.32 : x
  2. Step 2: Convert to fraction form
    8,451.66/12,675.04 = 3,256.32/x
  3. Step 3: Cross multiply
    8,451.66x = 12,675.04 × 3,256.32
  4. Step 4: Simplify right side
    8,451.66x = 41,273,986.25
  5. Step 5: Solve for x
    x = 41,273,986.25/8,451.66
  6. Step 6: Final answer
    x = 4,883.54

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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.