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Finding the Fourth Proportional to 8,804.94, 13,207.42 and 2,961.56

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Solution

The fourth proportional to 8,804.94, 13,207.42 and 2,961.56 is: 4,442.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,804.94 : 13,207.42 = 2,961.56 : x
  2. Step 2: Convert to fraction form
    8,804.94/13,207.42 = 2,961.56/x
  3. Step 3: Cross multiply
    8,804.94x = 13,207.42 × 2,961.56
  4. Step 4: Simplify right side
    8,804.94x = 39,114,566.78
  5. Step 5: Solve for x
    x = 39,114,566.78/8,804.94
  6. Step 6: Final answer
    x = 4,442.34

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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.