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Finding the Fourth Proportional to 8,451.02, 12,672.20 and 4,504.50

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Solution

The fourth proportional to 8,451.02, 12,672.20 and 4,504.50 is: 6,754.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,451.02 : 12,672.20 = 4,504.50 : x
  2. Step 2: Convert to fraction form
    8,451.02/12,672.20 = 4,504.50/x
  3. Step 3: Cross multiply
    8,451.02x = 12,672.20 × 4,504.50
  4. Step 4: Simplify right side
    8,451.02x = 57,081,924.90
  5. Step 5: Solve for x
    x = 57,081,924.90/8,451.02
  6. Step 6: Final answer
    x = 6,754.44

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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.