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Finding the Fourth Proportional to 8,694.94, 13,042.95 and 2,455.43

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Solution

The fourth proportional to 8,694.94, 13,042.95 and 2,455.43 is: 3,683.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.94 : 13,042.95 = 2,455.43 : x
  2. Step 2: Convert to fraction form
    8,694.94/13,042.95 = 2,455.43/x
  3. Step 3: Cross multiply
    8,694.94x = 13,042.95 × 2,455.43
  4. Step 4: Simplify right side
    8,694.94x = 32,026,016.43
  5. Step 5: Solve for x
    x = 32,026,016.43/8,694.94
  6. Step 6: Final answer
    x = 3,683.30

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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.