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Finding the Fourth Proportional to 84,673.42, 127,015 and 25,502.92

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Solution

The fourth proportional to 84,673.42, 127,015 and 25,502.92 is: 38,255.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,673.42 : 127,015 = 25,502.92 : x
  2. Step 2: Convert to fraction form
    84,673.42/127,015 = 25,502.92/x
  3. Step 3: Cross multiply
    84,673.42x = 127,015 × 25,502.92
  4. Step 4: Simplify right side
    84,673.42x = 3,239,253,383.80
  5. Step 5: Solve for x
    x = 3,239,253,383.80/84,673.42
  6. Step 6: Final answer
    x = 38,255.85

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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.