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Finding the Fourth Proportional to 5,499.60, 8,252.04 and 2,578.08

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Solution

The fourth proportional to 5,499.60, 8,252.04 and 2,578.08 is: 3,868.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,499.60 : 8,252.04 = 2,578.08 : x
  2. Step 2: Convert to fraction form
    5,499.60/8,252.04 = 2,578.08/x
  3. Step 3: Cross multiply
    5,499.60x = 8,252.04 × 2,578.08
  4. Step 4: Simplify right side
    5,499.60x = 21,274,419.28
  5. Step 5: Solve for x
    x = 21,274,419.28/5,499.60
  6. Step 6: Final answer
    x = 3,868.36

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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.