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Finding the Fourth Proportional to 4,308.67, 6,463.05 and 3,448.45

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Solution

The fourth proportional to 4,308.67, 6,463.05 and 3,448.45 is: 5,172.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,308.67 : 6,463.05 = 3,448.45 : x
  2. Step 2: Convert to fraction form
    4,308.67/6,463.05 = 3,448.45/x
  3. Step 3: Cross multiply
    4,308.67x = 6,463.05 × 3,448.45
  4. Step 4: Simplify right side
    4,308.67x = 22,287,504.77
  5. Step 5: Solve for x
    x = 22,287,504.77/4,308.67
  6. Step 6: Final answer
    x = 5,172.71

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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.