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Finding the Fourth Proportional to 6,308.55, 9,463.10 and 2,148.39

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Solution

The fourth proportional to 6,308.55, 9,463.10 and 2,148.39 is: 3,222.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,308.55 : 9,463.10 = 2,148.39 : x
  2. Step 2: Convert to fraction form
    6,308.55/9,463.10 = 2,148.39/x
  3. Step 3: Cross multiply
    6,308.55x = 9,463.10 × 2,148.39
  4. Step 4: Simplify right side
    6,308.55x = 20,330,418.67
  5. Step 5: Solve for x
    x = 20,330,418.67/6,308.55
  6. Step 6: Final answer
    x = 3,222.68

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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.