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Finding the Fourth Proportional to 84,735.01, 127,105.82 and 25,570.70

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Solution

The fourth proportional to 84,735.01, 127,105.82 and 25,570.70 is: 38,357.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,735.01 : 127,105.82 = 25,570.70 : x
  2. Step 2: Convert to fraction form
    84,735.01/127,105.82 = 25,570.70/x
  3. Step 3: Cross multiply
    84,735.01x = 127,105.82 × 25,570.70
  4. Step 4: Simplify right side
    84,735.01x = 3,250,184,791.47
  5. Step 5: Solve for x
    x = 3,250,184,791.47/84,735.01
  6. Step 6: Final answer
    x = 38,357.05

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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.