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Finding the Fourth Proportional to 6,151.56, 9,207.09 and 4,369.20

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Solution

The fourth proportional to 6,151.56, 9,207.09 and 4,369.20 is: 6,539.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,151.56 : 9,207.09 = 4,369.20 : x
  2. Step 2: Convert to fraction form
    6,151.56/9,207.09 = 4,369.20/x
  3. Step 3: Cross multiply
    6,151.56x = 9,207.09 × 4,369.20
  4. Step 4: Simplify right side
    6,151.56x = 40,227,617.63
  5. Step 5: Solve for x
    x = 40,227,617.63/6,151.56
  6. Step 6: Final answer
    x = 6,539.42

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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.