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Finding the Fourth Proportional to 50,890.54, 76,273.02 and 36,898.60

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Solution

The fourth proportional to 50,890.54, 76,273.02 and 36,898.60 is: 55,302.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,890.54 : 76,273.02 = 36,898.60 : x
  2. Step 2: Convert to fraction form
    50,890.54/76,273.02 = 36,898.60/x
  3. Step 3: Cross multiply
    50,890.54x = 76,273.02 × 36,898.60
  4. Step 4: Simplify right side
    50,890.54x = 2,814,367,655.77
  5. Step 5: Solve for x
    x = 2,814,367,655.77/50,890.54
  6. Step 6: Final answer
    x = 55,302.37

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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.