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Finding the Fourth Proportional to 84,796.70, 127,195.05 and 25,626.20

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Solution

The fourth proportional to 84,796.70, 127,195.05 and 25,626.20 is: 38,439.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,796.70 : 127,195.05 = 25,626.20 : x
  2. Step 2: Convert to fraction form
    84,796.70/127,195.05 = 25,626.20/x
  3. Step 3: Cross multiply
    84,796.70x = 127,195.05 × 25,626.20
  4. Step 4: Simplify right side
    84,796.70x = 3,259,525,790.31
  5. Step 5: Solve for x
    x = 3,259,525,790.31/84,796.70
  6. Step 6: Final answer
    x = 38,439.30

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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.