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Finding the Fourth Proportional to 3,045.31, 4,567.97 and 736.81

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Solution

The fourth proportional to 3,045.31, 4,567.97 and 736.81 is: 1,105.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.31 : 4,567.97 = 736.81 : x
  2. Step 2: Convert to fraction form
    3,045.31/4,567.97 = 736.81/x
  3. Step 3: Cross multiply
    3,045.31x = 4,567.97 × 736.81
  4. Step 4: Simplify right side
    3,045.31x = 3,365,716.40
  5. Step 5: Solve for x
    x = 3,365,716.40/3,045.31
  6. Step 6: Final answer
    x = 1,105.21

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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.