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Finding the Fourth Proportional to 7,034.91, 10,548.10 and 3,520.82

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Solution

The fourth proportional to 7,034.91, 10,548.10 and 3,520.82 is: 5,279.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,034.91 : 10,548.10 = 3,520.82 : x
  2. Step 2: Convert to fraction form
    7,034.91/10,548.10 = 3,520.82/x
  3. Step 3: Cross multiply
    7,034.91x = 10,548.10 × 3,520.82
  4. Step 4: Simplify right side
    7,034.91x = 37,137,961.44
  5. Step 5: Solve for x
    x = 37,137,961.44/7,034.91
  6. Step 6: Final answer
    x = 5,279.10

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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.