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Finding the Fourth Proportional to 23,887.22, 35,845.22 and 8,315.78

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Solution

The fourth proportional to 23,887.22, 35,845.22 and 8,315.78 is: 12,478.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,887.22 : 35,845.22 = 8,315.78 : x
  2. Step 2: Convert to fraction form
    23,887.22/35,845.22 = 8,315.78/x
  3. Step 3: Cross multiply
    23,887.22x = 35,845.22 × 8,315.78
  4. Step 4: Simplify right side
    23,887.22x = 298,080,805.13
  5. Step 5: Solve for x
    x = 298,080,805.13/23,887.22
  6. Step 6: Final answer
    x = 12,478.68

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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.