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Finding the Fourth Proportional to 17,793.64, 24,555.22 and 10,721.43

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Solution

The fourth proportional to 17,793.64, 24,555.22 and 10,721.43 is: 14,795.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,793.64 : 24,555.22 = 10,721.43 : x
  2. Step 2: Convert to fraction form
    17,793.64/24,555.22 = 10,721.43/x
  3. Step 3: Cross multiply
    17,793.64x = 24,555.22 × 10,721.43
  4. Step 4: Simplify right side
    17,793.64x = 263,267,045.56
  5. Step 5: Solve for x
    x = 263,267,045.56/17,793.64
  6. Step 6: Final answer
    x = 14,795.57

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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.