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Finding the Fourth Proportional to 50,984.96, 70,356.96 and 28,325.54

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Solution

The fourth proportional to 50,984.96, 70,356.96 and 28,325.54 is: 39,087.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,984.96 : 70,356.96 = 28,325.54 : x
  2. Step 2: Convert to fraction form
    50,984.96/70,356.96 = 28,325.54/x
  3. Step 3: Cross multiply
    50,984.96x = 70,356.96 × 28,325.54
  4. Step 4: Simplify right side
    50,984.96x = 1,992,898,884.76
  5. Step 5: Solve for x
    x = 1,992,898,884.76/50,984.96
  6. Step 6: Final answer
    x = 39,087.98

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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.