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Finding the Fourth Proportional to 5,329.33, 7,346.77 and 3,731.03

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Solution

The fourth proportional to 5,329.33, 7,346.77 and 3,731.03 is: 5,143.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.33 : 7,346.77 = 3,731.03 : x
  2. Step 2: Convert to fraction form
    5,329.33/7,346.77 = 3,731.03/x
  3. Step 3: Cross multiply
    5,329.33x = 7,346.77 × 3,731.03
  4. Step 4: Simplify right side
    5,329.33x = 27,411,000.76
  5. Step 5: Solve for x
    x = 27,411,000.76/5,329.33
  6. Step 6: Final answer
    x = 5,143.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.