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Finding the Fourth Proportional to 84,592.96, 126,890.34 and 34,660.24

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Solution

The fourth proportional to 84,592.96, 126,890.34 and 34,660.24 is: 51,990.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,592.96 : 126,890.34 = 34,660.24 : x
  2. Step 2: Convert to fraction form
    84,592.96/126,890.34 = 34,660.24/x
  3. Step 3: Cross multiply
    84,592.96x = 126,890.34 × 34,660.24
  4. Step 4: Simplify right side
    84,592.96x = 4,398,049,638.08
  5. Step 5: Solve for x
    x = 4,398,049,638.08/84,592.96
  6. Step 6: Final answer
    x = 51,990.73

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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.