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Finding the Fourth Proportional to 3,365.76, 5,027.04 and 2,904.96

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Solution

The fourth proportional to 3,365.76, 5,027.04 and 2,904.96 is: 4,338.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.76 : 5,027.04 = 2,904.96 : x
  2. Step 2: Convert to fraction form
    3,365.76/5,027.04 = 2,904.96/x
  3. Step 3: Cross multiply
    3,365.76x = 5,027.04 × 2,904.96
  4. Step 4: Simplify right side
    3,365.76x = 14,603,350.12
  5. Step 5: Solve for x
    x = 14,603,350.12/3,365.76
  6. Step 6: Final answer
    x = 4,338.80

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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.