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Finding the Fourth Proportional to 50,086.60, 74,984.10 and 48,628.60

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Solution

The fourth proportional to 50,086.60, 74,984.10 and 48,628.60 is: 72,801.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,086.60 : 74,984.10 = 48,628.60 : x
  2. Step 2: Convert to fraction form
    50,086.60/74,984.10 = 48,628.60/x
  3. Step 3: Cross multiply
    50,086.60x = 74,984.10 × 48,628.60
  4. Step 4: Simplify right side
    50,086.60x = 3,646,371,805.26
  5. Step 5: Solve for x
    x = 3,646,371,805.26/50,086.60
  6. Step 6: Final answer
    x = 72,801.34

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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.