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Finding the Fourth Proportional to 47,161.90, 65,087.31 and 25,944.22

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Solution

The fourth proportional to 47,161.90, 65,087.31 and 25,944.22 is: 35,805.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,161.90 : 65,087.31 = 25,944.22 : x
  2. Step 2: Convert to fraction form
    47,161.90/65,087.31 = 25,944.22/x
  3. Step 3: Cross multiply
    47,161.90x = 65,087.31 × 25,944.22
  4. Step 4: Simplify right side
    47,161.90x = 1,688,639,489.85
  5. Step 5: Solve for x
    x = 1,688,639,489.85/47,161.90
  6. Step 6: Final answer
    x = 35,805.16

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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.