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Finding the Fourth Proportional to 23,460.50, 32,375.13 and 12,850.11

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Solution

The fourth proportional to 23,460.50, 32,375.13 and 12,850.11 is: 17,732.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,460.50 : 32,375.13 = 12,850.11 : x
  2. Step 2: Convert to fraction form
    23,460.50/32,375.13 = 12,850.11/x
  3. Step 3: Cross multiply
    23,460.50x = 32,375.13 × 12,850.11
  4. Step 4: Simplify right side
    23,460.50x = 416,023,933.58
  5. Step 5: Solve for x
    x = 416,023,933.58/23,460.50
  6. Step 6: Final answer
    x = 17,732.95

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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.