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Finding the Fourth Proportional to 3,604, 5,373.20 and 3,383.68

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Solution

The fourth proportional to 3,604, 5,373.20 and 3,383.68 is: 5,044.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604 : 5,373.20 = 3,383.68 : x
  2. Step 2: Convert to fraction form
    3,604/5,373.20 = 3,383.68/x
  3. Step 3: Cross multiply
    3,604x = 5,373.20 × 3,383.68
  4. Step 4: Simplify right side
    3,604x = 18,181,189.38
  5. Step 5: Solve for x
    x = 18,181,189.38/3,604
  6. Step 6: Final answer
    x = 5,044.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.