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Finding the Fourth Proportional to 18,187.73, 27,291.81 and 7,095.18

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Solution

The fourth proportional to 18,187.73, 27,291.81 and 7,095.18 is: 10,646.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187.73 : 27,291.81 = 7,095.18 : x
  2. Step 2: Convert to fraction form
    18,187.73/27,291.81 = 7,095.18/x
  3. Step 3: Cross multiply
    18,187.73x = 27,291.81 × 7,095.18
  4. Step 4: Simplify right side
    18,187.73x = 193,640,304.48
  5. Step 5: Solve for x
    x = 193,640,304.48/18,187.73
  6. Step 6: Final answer
    x = 10,646.76

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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.