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Finding the Fourth Proportional to 74,174.28, 111,260.28 and 18,014.82

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Solution

The fourth proportional to 74,174.28, 111,260.28 and 18,014.82 is: 27,021.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,174.28 : 111,260.28 = 18,014.82 : x
  2. Step 2: Convert to fraction form
    74,174.28/111,260.28 = 18,014.82/x
  3. Step 3: Cross multiply
    74,174.28x = 111,260.28 × 18,014.82
  4. Step 4: Simplify right side
    74,174.28x = 2,004,333,917.35
  5. Step 5: Solve for x
    x = 2,004,333,917.35/74,174.28
  6. Step 6: Final answer
    x = 27,021.95

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1.5x scale

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.