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Finding the Fourth Proportional to 32,376.84, 44,674.68 and 20,446.56

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Solution

The fourth proportional to 32,376.84, 44,674.68 and 20,446.56 is: 28,212.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,376.84 : 44,674.68 = 20,446.56 : x
  2. Step 2: Convert to fraction form
    32,376.84/44,674.68 = 20,446.56/x
  3. Step 3: Cross multiply
    32,376.84x = 44,674.68 × 20,446.56
  4. Step 4: Simplify right side
    32,376.84x = 913,443,525.10
  5. Step 5: Solve for x
    x = 913,443,525.10/32,376.84
  6. Step 6: Final answer
    x = 28,212.87

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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.