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Finding the Fourth Proportional to 5,245.02, 7,245.90 and 4,060.44

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Solution

The fourth proportional to 5,245.02, 7,245.90 and 4,060.44 is: 5,609.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.02 : 7,245.90 = 4,060.44 : x
  2. Step 2: Convert to fraction form
    5,245.02/7,245.90 = 4,060.44/x
  3. Step 3: Cross multiply
    5,245.02x = 7,245.90 × 4,060.44
  4. Step 4: Simplify right side
    5,245.02x = 29,421,542.20
  5. Step 5: Solve for x
    x = 29,421,542.20/5,245.02
  6. Step 6: Final answer
    x = 5,609.42

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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.