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Finding the Fourth Proportional to 11,814.88, 17,719.08 and 4,416.88

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Solution

The fourth proportional to 11,814.88, 17,719.08 and 4,416.88 is: 6,624.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,814.88 : 17,719.08 = 4,416.88 : x
  2. Step 2: Convert to fraction form
    11,814.88/17,719.08 = 4,416.88/x
  3. Step 3: Cross multiply
    11,814.88x = 17,719.08 × 4,416.88
  4. Step 4: Simplify right side
    11,814.88x = 78,263,050.07
  5. Step 5: Solve for x
    x = 78,263,050.07/11,814.88
  6. Step 6: Final answer
    x = 6,624.11

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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.