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Finding the Fourth Proportional to 50,958.55, 70,322.63 and 28,296.98

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Solution

The fourth proportional to 50,958.55, 70,322.63 and 28,296.98 is: 39,049.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,958.55 : 70,322.63 = 28,296.98 : x
  2. Step 2: Convert to fraction form
    50,958.55/70,322.63 = 28,296.98/x
  3. Step 3: Cross multiply
    50,958.55x = 70,322.63 × 28,296.98
  4. Step 4: Simplify right side
    50,958.55x = 1,989,917,984.44
  5. Step 5: Solve for x
    x = 1,989,917,984.44/50,958.55
  6. Step 6: Final answer
    x = 39,049.74

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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.