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Finding the Fourth Proportional to 18,257.94, 27,386.94 and 5,945.94

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Solution

The fourth proportional to 18,257.94, 27,386.94 and 5,945.94 is: 8,918.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.94 : 27,386.94 = 5,945.94 : x
  2. Step 2: Convert to fraction form
    18,257.94/27,386.94 = 5,945.94/x
  3. Step 3: Cross multiply
    18,257.94x = 27,386.94 × 5,945.94
  4. Step 4: Simplify right side
    18,257.94x = 162,841,102.02
  5. Step 5: Solve for x
    x = 162,841,102.02/18,257.94
  6. Step 6: Final answer
    x = 8,918.92

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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.