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Finding the Fourth Proportional to 6,405.01, 9,609.17 and 5,706.99

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Solution

The fourth proportional to 6,405.01, 9,609.17 and 5,706.99 is: 8,561.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405.01 : 9,609.17 = 5,706.99 : x
  2. Step 2: Convert to fraction form
    6,405.01/9,609.17 = 5,706.99/x
  3. Step 3: Cross multiply
    6,405.01x = 9,609.17 × 5,706.99
  4. Step 4: Simplify right side
    6,405.01x = 54,839,408.56
  5. Step 5: Solve for x
    x = 54,839,408.56/6,405.01
  6. Step 6: Final answer
    x = 8,561.96

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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.