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Finding the Fourth Proportional to 7,866, 11,799.52 and 3,483.44

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Solution

The fourth proportional to 7,866, 11,799.52 and 3,483.44 is: 5,225.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,866 : 11,799.52 = 3,483.44 : x
  2. Step 2: Convert to fraction form
    7,866/11,799.52 = 3,483.44/x
  3. Step 3: Cross multiply
    7,866x = 11,799.52 × 3,483.44
  4. Step 4: Simplify right side
    7,866x = 41,102,919.95
  5. Step 5: Solve for x
    x = 41,102,919.95/7,866
  6. Step 6: Final answer
    x = 5,225.39

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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.