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Finding the Fourth Proportional to 18,046.58, 27,062.69 and 6,947.10

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Solution

The fourth proportional to 18,046.58, 27,062.69 and 6,947.10 is: 10,417.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,046.58 : 27,062.69 = 6,947.10 : x
  2. Step 2: Convert to fraction form
    18,046.58/27,062.69 = 6,947.10/x
  3. Step 3: Cross multiply
    18,046.58x = 27,062.69 × 6,947.10
  4. Step 4: Simplify right side
    18,046.58x = 188,007,178.96
  5. Step 5: Solve for x
    x = 188,007,178.96/18,046.58
  6. Step 6: Final answer
    x = 10,417.89

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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.