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Finding the Fourth Proportional to 30,302.94, 41,817.94 and 16,874.35

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Solution

The fourth proportional to 30,302.94, 41,817.94 and 16,874.35 is: 23,286.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,302.94 : 41,817.94 = 16,874.35 : x
  2. Step 2: Convert to fraction form
    30,302.94/41,817.94 = 16,874.35/x
  3. Step 3: Cross multiply
    30,302.94x = 41,817.94 × 16,874.35
  4. Step 4: Simplify right side
    30,302.94x = 705,650,555.84
  5. Step 5: Solve for x
    x = 705,650,555.84/30,302.94
  6. Step 6: Final answer
    x = 23,286.54

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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.