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Finding the Fourth Proportional to 51,251.60, 76,877.40 and 50,733.20

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Solution

The fourth proportional to 51,251.60, 76,877.40 and 50,733.20 is: 76,099.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,251.60 : 76,877.40 = 50,733.20 : x
  2. Step 2: Convert to fraction form
    51,251.60/76,877.40 = 50,733.20/x
  3. Step 3: Cross multiply
    51,251.60x = 76,877.40 × 50,733.20
  4. Step 4: Simplify right side
    51,251.60x = 3,900,236,509.68
  5. Step 5: Solve for x
    x = 3,900,236,509.68/51,251.60
  6. Step 6: Final answer
    x = 76,099.80

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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.