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Finding the Fourth Proportional to 7,793.42, 10,754.97 and 4,256.72

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Solution

The fourth proportional to 7,793.42, 10,754.97 and 4,256.72 is: 5,874.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,793.42 : 10,754.97 = 4,256.72 : x
  2. Step 2: Convert to fraction form
    7,793.42/10,754.97 = 4,256.72/x
  3. Step 3: Cross multiply
    7,793.42x = 10,754.97 × 4,256.72
  4. Step 4: Simplify right side
    7,793.42x = 45,780,842.12
  5. Step 5: Solve for x
    x = 45,780,842.12/7,793.42
  6. Step 6: Final answer
    x = 5,874.30

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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.