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Finding the Fourth Proportional to 65,950.55, 98,914.95 and 18,568.92

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Solution

The fourth proportional to 65,950.55, 98,914.95 and 18,568.92 is: 27,850.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,950.55 : 98,914.95 = 18,568.92 : x
  2. Step 2: Convert to fraction form
    65,950.55/98,914.95 = 18,568.92/x
  3. Step 3: Cross multiply
    65,950.55x = 98,914.95 × 18,568.92
  4. Step 4: Simplify right side
    65,950.55x = 1,836,743,793.35
  5. Step 5: Solve for x
    x = 1,836,743,793.35/65,950.55
  6. Step 6: Final answer
    x = 27,850.32

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1.5x scale

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.