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Finding the Fourth Proportional to 51,259.44, 70,738.56 and 28,600.56

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Solution

The fourth proportional to 51,259.44, 70,738.56 and 28,600.56 is: 39,469.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,259.44 : 70,738.56 = 28,600.56 : x
  2. Step 2: Convert to fraction form
    51,259.44/70,738.56 = 28,600.56/x
  3. Step 3: Cross multiply
    51,259.44x = 70,738.56 × 28,600.56
  4. Step 4: Simplify right side
    51,259.44x = 2,023,162,429.59
  5. Step 5: Solve for x
    x = 2,023,162,429.59/51,259.44
  6. Step 6: Final answer
    x = 39,469.07

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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.