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Finding the Fourth Proportional to 84,256.84, 126,383.90 and 25,092.84

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Solution

The fourth proportional to 84,256.84, 126,383.90 and 25,092.84 is: 37,638.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,256.84 : 126,383.90 = 25,092.84 : x
  2. Step 2: Convert to fraction form
    84,256.84/126,383.90 = 25,092.84/x
  3. Step 3: Cross multiply
    84,256.84x = 126,383.90 × 25,092.84
  4. Step 4: Simplify right side
    84,256.84x = 3,171,330,981.28
  5. Step 5: Solve for x
    x = 3,171,330,981.28/84,256.84
  6. Step 6: Final answer
    x = 37,638.85

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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.