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Finding the Fourth Proportional to 34,709.34, 47,898.92 and 18,793.80

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Solution

The fourth proportional to 34,709.34, 47,898.92 and 18,793.80 is: 25,935.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,709.34 : 47,898.92 = 18,793.80 : x
  2. Step 2: Convert to fraction form
    34,709.34/47,898.92 = 18,793.80/x
  3. Step 3: Cross multiply
    34,709.34x = 47,898.92 × 18,793.80
  4. Step 4: Simplify right side
    34,709.34x = 900,202,722.70
  5. Step 5: Solve for x
    x = 900,202,722.70/34,709.34
  6. Step 6: Final answer
    x = 25,935.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.