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Finding the Fourth Proportional to 47,107.92, 65,008.94 and 25,887.20

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Solution

The fourth proportional to 47,107.92, 65,008.94 and 25,887.20 is: 35,724.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,107.92 : 65,008.94 = 25,887.20 : x
  2. Step 2: Convert to fraction form
    47,107.92/65,008.94 = 25,887.20/x
  3. Step 3: Cross multiply
    47,107.92x = 65,008.94 × 25,887.20
  4. Step 4: Simplify right side
    47,107.92x = 1,682,899,431.57
  5. Step 5: Solve for x
    x = 1,682,899,431.57/47,107.92
  6. Step 6: Final answer
    x = 35,724.34

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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.