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Finding the Fourth Proportional to 47,179.72, 65,103.78 and 25,959.88

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Solution

The fourth proportional to 47,179.72, 65,103.78 and 25,959.88 is: 35,822.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,179.72 : 65,103.78 = 25,959.88 : x
  2. Step 2: Convert to fraction form
    47,179.72/65,103.78 = 25,959.88/x
  3. Step 3: Cross multiply
    47,179.72x = 65,103.78 × 25,959.88
  4. Step 4: Simplify right side
    47,179.72x = 1,690,086,316.35
  5. Step 5: Solve for x
    x = 1,690,086,316.35/47,179.72
  6. Step 6: Final answer
    x = 35,822.30

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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.