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Finding the Fourth Proportional to 10,891.44, 16,337.16 and 8,714.02

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Solution

The fourth proportional to 10,891.44, 16,337.16 and 8,714.02 is: 13,071.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891.44 : 16,337.16 = 8,714.02 : x
  2. Step 2: Convert to fraction form
    10,891.44/16,337.16 = 8,714.02/x
  3. Step 3: Cross multiply
    10,891.44x = 16,337.16 × 8,714.02
  4. Step 4: Simplify right side
    10,891.44x = 142,362,338.98
  5. Step 5: Solve for x
    x = 142,362,338.98/10,891.44
  6. Step 6: Final answer
    x = 13,071.03

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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.