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Finding the Fourth Proportional to 51,257.70, 76,898.70 and 26,301.60

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Solution

The fourth proportional to 51,257.70, 76,898.70 and 26,301.60 is: 39,458.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,257.70 : 76,898.70 = 26,301.60 : x
  2. Step 2: Convert to fraction form
    51,257.70/76,898.70 = 26,301.60/x
  3. Step 3: Cross multiply
    51,257.70x = 76,898.70 × 26,301.60
  4. Step 4: Simplify right side
    51,257.70x = 2,022,558,847.92
  5. Step 5: Solve for x
    x = 2,022,558,847.92/51,257.70
  6. Step 6: Final answer
    x = 39,458.63

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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.