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Finding the Fourth Proportional to 39,630.20, 59,394.90 and 16,230.20

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Solution

The fourth proportional to 39,630.20, 59,394.90 and 16,230.20 is: 24,324.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,630.20 : 59,394.90 = 16,230.20 : x
  2. Step 2: Convert to fraction form
    39,630.20/59,394.90 = 16,230.20/x
  3. Step 3: Cross multiply
    39,630.20x = 59,394.90 × 16,230.20
  4. Step 4: Simplify right side
    39,630.20x = 963,991,105.98
  5. Step 5: Solve for x
    x = 963,991,105.98/39,630.20
  6. Step 6: Final answer
    x = 24,324.66

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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.