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Finding the Fourth Proportional to 65,591.60, 98,376.84 and 18,833.84

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Solution

The fourth proportional to 65,591.60, 98,376.84 and 18,833.84 is: 28,247.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,591.60 : 98,376.84 = 18,833.84 : x
  2. Step 2: Convert to fraction form
    65,591.60/98,376.84 = 18,833.84/x
  3. Step 3: Cross multiply
    65,591.60x = 98,376.84 × 18,833.84
  4. Step 4: Simplify right side
    65,591.60x = 1,852,813,664.27
  5. Step 5: Solve for x
    x = 1,852,813,664.27/65,591.60
  6. Step 6: Final answer
    x = 28,247.73

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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.