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Finding the Fourth Proportional to 8,753.80, 13,116.94 and 5,461.96

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Solution

The fourth proportional to 8,753.80, 13,116.94 and 5,461.96 is: 8,184.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.80 : 13,116.94 = 5,461.96 : x
  2. Step 2: Convert to fraction form
    8,753.80/13,116.94 = 5,461.96/x
  3. Step 3: Cross multiply
    8,753.80x = 13,116.94 × 5,461.96
  4. Step 4: Simplify right side
    8,753.80x = 71,644,201.60
  5. Step 5: Solve for x
    x = 71,644,201.60/8,753.80
  6. Step 6: Final answer
    x = 8,184.35

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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.