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Finding the Fourth Proportional to 43,367.84, 65,060.92 and 15,286.76

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Solution

The fourth proportional to 43,367.84, 65,060.92 and 15,286.76 is: 22,933.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,367.84 : 65,060.92 = 15,286.76 : x
  2. Step 2: Convert to fraction form
    43,367.84/65,060.92 = 15,286.76/x
  3. Step 3: Cross multiply
    43,367.84x = 65,060.92 × 15,286.76
  4. Step 4: Simplify right side
    43,367.84x = 994,570,669.42
  5. Step 5: Solve for x
    x = 994,570,669.42/43,367.84
  6. Step 6: Final answer
    x = 22,933.37

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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.