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Finding the Fourth Proportional to 23,856.44, 32,920.89 and 13,245.44

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Solution

The fourth proportional to 23,856.44, 32,920.89 and 13,245.44 is: 18,278.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,856.44 : 32,920.89 = 13,245.44 : x
  2. Step 2: Convert to fraction form
    23,856.44/32,920.89 = 13,245.44/x
  3. Step 3: Cross multiply
    23,856.44x = 32,920.89 × 13,245.44
  4. Step 4: Simplify right side
    23,856.44x = 436,051,673.24
  5. Step 5: Solve for x
    x = 436,051,673.24/23,856.44
  6. Step 6: Final answer
    x = 18,278.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.