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Finding the Fourth Proportional to 9,081.48, 13,701.09 and 9,057.18

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Solution

The fourth proportional to 9,081.48, 13,701.09 and 9,057.18 is: 13,664.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,081.48 : 13,701.09 = 9,057.18 : x
  2. Step 2: Convert to fraction form
    9,081.48/13,701.09 = 9,057.18/x
  3. Step 3: Cross multiply
    9,081.48x = 13,701.09 × 9,057.18
  4. Step 4: Simplify right side
    9,081.48x = 124,093,238.33
  5. Step 5: Solve for x
    x = 124,093,238.33/9,081.48
  6. Step 6: Final answer
    x = 13,664.43

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.