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Finding the Fourth Proportional to 6,388.42, 9,576.96 and 2,495.56

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Solution

The fourth proportional to 6,388.42, 9,576.96 and 2,495.56 is: 3,741.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388.42 : 9,576.96 = 2,495.56 : x
  2. Step 2: Convert to fraction form
    6,388.42/9,576.96 = 2,495.56/x
  3. Step 3: Cross multiply
    6,388.42x = 9,576.96 × 2,495.56
  4. Step 4: Simplify right side
    6,388.42x = 23,899,878.30
  5. Step 5: Solve for x
    x = 23,899,878.30/6,388.42
  6. Step 6: Final answer
    x = 3,741.13

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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.