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Finding the Fourth Proportional to 27,076.44, 40,608.81 and 7,355.19

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Solution

The fourth proportional to 27,076.44, 40,608.81 and 7,355.19 is: 11,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,076.44 : 40,608.81 = 7,355.19 : x
  2. Step 2: Convert to fraction form
    27,076.44/40,608.81 = 7,355.19/x
  3. Step 3: Cross multiply
    27,076.44x = 40,608.81 × 7,355.19
  4. Step 4: Simplify right side
    27,076.44x = 298,685,513.22
  5. Step 5: Solve for x
    x = 298,685,513.22/27,076.44
  6. Step 6: Final answer
    x = 11,031.20

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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.