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Finding the Fourth Proportional to 8,892.54, 13,340.43 and 3,047.85

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Solution

The fourth proportional to 8,892.54, 13,340.43 and 3,047.85 is: 4,572.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,892.54 : 13,340.43 = 3,047.85 : x
  2. Step 2: Convert to fraction form
    8,892.54/13,340.43 = 3,047.85/x
  3. Step 3: Cross multiply
    8,892.54x = 13,340.43 × 3,047.85
  4. Step 4: Simplify right side
    8,892.54x = 40,659,629.58
  5. Step 5: Solve for x
    x = 40,659,629.58/8,892.54
  6. Step 6: Final answer
    x = 4,572.33

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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.