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Finding the Fourth Proportional to 57,883.68, 79,856.64 and 36,360.78

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Solution

The fourth proportional to 57,883.68, 79,856.64 and 36,360.78 is: 50,163.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,883.68 : 79,856.64 = 36,360.78 : x
  2. Step 2: Convert to fraction form
    57,883.68/79,856.64 = 36,360.78/x
  3. Step 3: Cross multiply
    57,883.68x = 79,856.64 × 36,360.78
  4. Step 4: Simplify right side
    57,883.68x = 2,903,649,718.58
  5. Step 5: Solve for x
    x = 2,903,649,718.58/57,883.68
  6. Step 6: Final answer
    x = 50,163.53

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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.