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Finding the Fourth Proportional to 9,955.54, 14,935.44 and 3,381.58

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Solution

The fourth proportional to 9,955.54, 14,935.44 and 3,381.58 is: 5,073.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,955.54 : 14,935.44 = 3,381.58 : x
  2. Step 2: Convert to fraction form
    9,955.54/14,935.44 = 3,381.58/x
  3. Step 3: Cross multiply
    9,955.54x = 14,935.44 × 3,381.58
  4. Step 4: Simplify right side
    9,955.54x = 50,505,385.20
  5. Step 5: Solve for x
    x = 50,505,385.20/9,955.54
  6. Step 6: Final answer
    x = 5,073.09

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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.