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Finding the Fourth Proportional to 84,994.92, 127,506.96 and 25,836.48

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Solution

The fourth proportional to 84,994.92, 127,506.96 and 25,836.48 is: 38,759.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,994.92 : 127,506.96 = 25,836.48 : x
  2. Step 2: Convert to fraction form
    84,994.92/127,506.96 = 25,836.48/x
  3. Step 3: Cross multiply
    84,994.92x = 127,506.96 × 25,836.48
  4. Step 4: Simplify right side
    84,994.92x = 3,294,331,021.90
  5. Step 5: Solve for x
    x = 3,294,331,021.90/84,994.92
  6. Step 6: Final answer
    x = 38,759.15

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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.