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Finding the Fourth Proportional to 32,990.44, 45,527.31 and 18,843.31

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Solution

The fourth proportional to 32,990.44, 45,527.31 and 18,843.31 is: 26,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,990.44 : 45,527.31 = 18,843.31 : x
  2. Step 2: Convert to fraction form
    32,990.44/45,527.31 = 18,843.31/x
  3. Step 3: Cross multiply
    32,990.44x = 45,527.31 × 18,843.31
  4. Step 4: Simplify right side
    32,990.44x = 857,885,215.80
  5. Step 5: Solve for x
    x = 857,885,215.80/32,990.44
  6. Step 6: Final answer
    x = 26,004.05

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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.