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Finding the Fourth Proportional to 23,855.87, 32,922.12 and 13,245.50

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Solution

The fourth proportional to 23,855.87, 32,922.12 and 13,245.50 is: 18,279.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,855.87 : 32,922.12 = 13,245.50 : x
  2. Step 2: Convert to fraction form
    23,855.87/32,922.12 = 13,245.50/x
  3. Step 3: Cross multiply
    23,855.87x = 32,922.12 × 13,245.50
  4. Step 4: Simplify right side
    23,855.87x = 436,069,940.46
  5. Step 5: Solve for x
    x = 436,069,940.46/23,855.87
  6. Step 6: Final answer
    x = 18,279.36

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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.