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Finding the Fourth Proportional to 14,905.66, 22,361.94 and 4,375.25

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Solution

The fourth proportional to 14,905.66, 22,361.94 and 4,375.25 is: 6,563.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,905.66 : 22,361.94 = 4,375.25 : x
  2. Step 2: Convert to fraction form
    14,905.66/22,361.94 = 4,375.25/x
  3. Step 3: Cross multiply
    14,905.66x = 22,361.94 × 4,375.25
  4. Step 4: Simplify right side
    14,905.66x = 97,839,077.99
  5. Step 5: Solve for x
    x = 97,839,077.99/14,905.66
  6. Step 6: Final answer
    x = 6,563.89

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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.