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Finding the Fourth Proportional to 6,452.16, 9,672.48 and 2,938.56

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Solution

The fourth proportional to 6,452.16, 9,672.48 and 2,938.56 is: 4,405.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,452.16 : 9,672.48 = 2,938.56 : x
  2. Step 2: Convert to fraction form
    6,452.16/9,672.48 = 2,938.56/x
  3. Step 3: Cross multiply
    6,452.16x = 9,672.48 × 2,938.56
  4. Step 4: Simplify right side
    6,452.16x = 28,423,162.83
  5. Step 5: Solve for x
    x = 28,423,162.83/6,452.16
  6. Step 6: Final answer
    x = 4,405.22

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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.