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Finding the Fourth Proportional to 32,318.46, 44,603.46 and 18,171

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Solution

The fourth proportional to 32,318.46, 44,603.46 and 18,171 is: 25,078.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,318.46 : 44,603.46 = 18,171 : x
  2. Step 2: Convert to fraction form
    32,318.46/44,603.46 = 18,171/x
  3. Step 3: Cross multiply
    32,318.46x = 44,603.46 × 18,171
  4. Step 4: Simplify right side
    32,318.46x = 810,489,471.66
  5. Step 5: Solve for x
    x = 810,489,471.66/32,318.46
  6. Step 6: Final answer
    x = 25,078.22

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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.