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Finding the Fourth Proportional to 11,614.37, 17,421.71 and 4,591.37

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Solution

The fourth proportional to 11,614.37, 17,421.71 and 4,591.37 is: 6,887.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,614.37 : 17,421.71 = 4,591.37 : x
  2. Step 2: Convert to fraction form
    11,614.37/17,421.71 = 4,591.37/x
  3. Step 3: Cross multiply
    11,614.37x = 17,421.71 × 4,591.37
  4. Step 4: Simplify right side
    11,614.37x = 79,989,406.58
  5. Step 5: Solve for x
    x = 79,989,406.58/11,614.37
  6. Step 6: Final answer
    x = 6,887.11

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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.