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Finding the Fourth Proportional to 23,451.48, 35,181.21 and 8,660.48

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Solution

The fourth proportional to 23,451.48, 35,181.21 and 8,660.48 is: 12,992.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,451.48 : 35,181.21 = 8,660.48 : x
  2. Step 2: Convert to fraction form
    23,451.48/35,181.21 = 8,660.48/x
  3. Step 3: Cross multiply
    23,451.48x = 35,181.21 × 8,660.48
  4. Step 4: Simplify right side
    23,451.48x = 304,685,989.67
  5. Step 5: Solve for x
    x = 304,685,989.67/23,451.48
  6. Step 6: Final answer
    x = 12,992.19

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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.