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Finding the Fourth Proportional to 11,753.10, 17,619.12 and 9,658.44

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Solution

The fourth proportional to 11,753.10, 17,619.12 and 9,658.44 is: 14,479.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,753.10 : 17,619.12 = 9,658.44 : x
  2. Step 2: Convert to fraction form
    11,753.10/17,619.12 = 9,658.44/x
  3. Step 3: Cross multiply
    11,753.10x = 17,619.12 × 9,658.44
  4. Step 4: Simplify right side
    11,753.10x = 170,173,213.37
  5. Step 5: Solve for x
    x = 170,173,213.37/11,753.10
  6. Step 6: Final answer
    x = 14,479.01

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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.