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Finding the Fourth Proportional to 18,395.94, 27,591.32 and 5,914.38

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Solution

The fourth proportional to 18,395.94, 27,591.32 and 5,914.38 is: 8,870.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,395.94 : 27,591.32 = 5,914.38 : x
  2. Step 2: Convert to fraction form
    18,395.94/27,591.32 = 5,914.38/x
  3. Step 3: Cross multiply
    18,395.94x = 27,591.32 × 5,914.38
  4. Step 4: Simplify right side
    18,395.94x = 163,185,619.55
  5. Step 5: Solve for x
    x = 163,185,619.55/18,395.94
  6. Step 6: Final answer
    x = 8,870.74

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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.