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Finding the Fourth Proportional to 8,652.72, 12,973.38 and 3,103.26

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Solution

The fourth proportional to 8,652.72, 12,973.38 and 3,103.26 is: 4,652.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,652.72 : 12,973.38 = 3,103.26 : x
  2. Step 2: Convert to fraction form
    8,652.72/12,973.38 = 3,103.26/x
  3. Step 3: Cross multiply
    8,652.72x = 12,973.38 × 3,103.26
  4. Step 4: Simplify right side
    8,652.72x = 40,259,771.22
  5. Step 5: Solve for x
    x = 40,259,771.22/8,652.72
  6. Step 6: Final answer
    x = 4,652.85

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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.