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Finding the Fourth Proportional to 8,914.17, 13,367.31 and 4,753.41

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Solution

The fourth proportional to 8,914.17, 13,367.31 and 4,753.41 is: 7,128.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.17 : 13,367.31 = 4,753.41 : x
  2. Step 2: Convert to fraction form
    8,914.17/13,367.31 = 4,753.41/x
  3. Step 3: Cross multiply
    8,914.17x = 13,367.31 × 4,753.41
  4. Step 4: Simplify right side
    8,914.17x = 63,540,305.03
  5. Step 5: Solve for x
    x = 63,540,305.03/8,914.17
  6. Step 6: Final answer
    x = 7,128.01

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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.