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Finding the Fourth Proportional to 4,679.04, 7,020 and 3,365.76

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Solution

The fourth proportional to 4,679.04, 7,020 and 3,365.76 is: 5,049.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.04 : 7,020 = 3,365.76 : x
  2. Step 2: Convert to fraction form
    4,679.04/7,020 = 3,365.76/x
  3. Step 3: Cross multiply
    4,679.04x = 7,020 × 3,365.76
  4. Step 4: Simplify right side
    4,679.04x = 23,627,635.20
  5. Step 5: Solve for x
    x = 23,627,635.20/4,679.04
  6. Step 6: Final answer
    x = 5,049.68

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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.