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Finding the Fourth Proportional to 32,644.80, 45,049.36 and 18,304.56

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Solution

The fourth proportional to 32,644.80, 45,049.36 and 18,304.56 is: 25,260.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,644.80 : 45,049.36 = 18,304.56 : x
  2. Step 2: Convert to fraction form
    32,644.80/45,049.36 = 18,304.56/x
  3. Step 3: Cross multiply
    32,644.80x = 45,049.36 × 18,304.56
  4. Step 4: Simplify right side
    32,644.80x = 824,608,713.08
  5. Step 5: Solve for x
    x = 824,608,713.08/32,644.80
  6. Step 6: Final answer
    x = 25,260.03

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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.