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Finding the Fourth Proportional to 12,520.12, 18,755.06 and 5,952.64

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Solution

The fourth proportional to 12,520.12, 18,755.06 and 5,952.64 is: 8,917.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,520.12 : 18,755.06 = 5,952.64 : x
  2. Step 2: Convert to fraction form
    12,520.12/18,755.06 = 5,952.64/x
  3. Step 3: Cross multiply
    12,520.12x = 18,755.06 × 5,952.64
  4. Step 4: Simplify right side
    12,520.12x = 111,642,120.36
  5. Step 5: Solve for x
    x = 111,642,120.36/12,520.12
  6. Step 6: Final answer
    x = 8,917.02

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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.