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Finding the Fourth Proportional to 30,246.39, 41,737.41 and 16,817.40

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Solution

The fourth proportional to 30,246.39, 41,737.41 and 16,817.40 is: 23,206.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,246.39 : 41,737.41 = 16,817.40 : x
  2. Step 2: Convert to fraction form
    30,246.39/41,737.41 = 16,817.40/x
  3. Step 3: Cross multiply
    30,246.39x = 41,737.41 × 16,817.40
  4. Step 4: Simplify right side
    30,246.39x = 701,914,718.93
  5. Step 5: Solve for x
    x = 701,914,718.93/30,246.39
  6. Step 6: Final answer
    x = 23,206.56

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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.