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Finding the Fourth Proportional to 39,894.40, 59,793.60 and 16,508.80

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Solution

The fourth proportional to 39,894.40, 59,793.60 and 16,508.80 is: 24,743.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,894.40 : 59,793.60 = 16,508.80 : x
  2. Step 2: Convert to fraction form
    39,894.40/59,793.60 = 16,508.80/x
  3. Step 3: Cross multiply
    39,894.40x = 59,793.60 × 16,508.80
  4. Step 4: Simplify right side
    39,894.40x = 987,120,583.68
  5. Step 5: Solve for x
    x = 987,120,583.68/39,894.40
  6. Step 6: Final answer
    x = 24,743.34

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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.