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Finding the Fourth Proportional to 47,363.28, 65,361 and 26,142.54

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Solution

The fourth proportional to 47,363.28, 65,361 and 26,142.54 is: 36,076.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,363.28 : 65,361 = 26,142.54 : x
  2. Step 2: Convert to fraction form
    47,363.28/65,361 = 26,142.54/x
  3. Step 3: Cross multiply
    47,363.28x = 65,361 × 26,142.54
  4. Step 4: Simplify right side
    47,363.28x = 1,708,702,556.94
  5. Step 5: Solve for x
    x = 1,708,702,556.94/47,363.28
  6. Step 6: Final answer
    x = 36,076.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.