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Finding the Fourth Proportional to 9,216, 13,814.46 and 3,666.96

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Solution

The fourth proportional to 9,216, 13,814.46 and 3,666.96 is: 5,496.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,216 : 13,814.46 = 3,666.96 : x
  2. Step 2: Convert to fraction form
    9,216/13,814.46 = 3,666.96/x
  3. Step 3: Cross multiply
    9,216x = 13,814.46 × 3,666.96
  4. Step 4: Simplify right side
    9,216x = 50,657,072.24
  5. Step 5: Solve for x
    x = 50,657,072.24/9,216
  6. Step 6: Final answer
    x = 5,496.64

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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.