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Finding the Fourth Proportional to 41,989.60, 57,957.56 and 27,659.89

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Solution

The fourth proportional to 41,989.60, 57,957.56 and 27,659.89 is: 38,178.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,989.60 : 57,957.56 = 27,659.89 : x
  2. Step 2: Convert to fraction form
    41,989.60/57,957.56 = 27,659.89/x
  3. Step 3: Cross multiply
    41,989.60x = 57,957.56 × 27,659.89
  4. Step 4: Simplify right side
    41,989.60x = 1,603,099,734.27
  5. Step 5: Solve for x
    x = 1,603,099,734.27/41,989.60
  6. Step 6: Final answer
    x = 38,178.50

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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.