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Finding the Fourth Proportional to 12,010.71, 18,027.08 and 6,091.71

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Solution

The fourth proportional to 12,010.71, 18,027.08 and 6,091.71 is: 9,143.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,010.71 : 18,027.08 = 6,091.71 : x
  2. Step 2: Convert to fraction form
    12,010.71/18,027.08 = 6,091.71/x
  3. Step 3: Cross multiply
    12,010.71x = 18,027.08 × 6,091.71
  4. Step 4: Simplify right side
    12,010.71x = 109,815,743.51
  5. Step 5: Solve for x
    x = 109,815,743.51/12,010.71
  6. Step 6: Final answer
    x = 9,143.15

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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.