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Finding the Fourth Proportional to 32,940.45, 49,412.84 and 13,216.44

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Solution

The fourth proportional to 32,940.45, 49,412.84 and 13,216.44 is: 19,825.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,940.45 : 49,412.84 = 13,216.44 : x
  2. Step 2: Convert to fraction form
    32,940.45/49,412.84 = 13,216.44/x
  3. Step 3: Cross multiply
    32,940.45x = 49,412.84 × 13,216.44
  4. Step 4: Simplify right side
    32,940.45x = 653,061,815.33
  5. Step 5: Solve for x
    x = 653,061,815.33/32,940.45
  6. Step 6: Final answer
    x = 19,825.53

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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.