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Finding the Fourth Proportional to 38,604.40, 57,906.60 and 16,412.20

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Solution

The fourth proportional to 38,604.40, 57,906.60 and 16,412.20 is: 24,618.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,604.40 : 57,906.60 = 16,412.20 : x
  2. Step 2: Convert to fraction form
    38,604.40/57,906.60 = 16,412.20/x
  3. Step 3: Cross multiply
    38,604.40x = 57,906.60 × 16,412.20
  4. Step 4: Simplify right side
    38,604.40x = 950,374,700.52
  5. Step 5: Solve for x
    x = 950,374,700.52/38,604.40
  6. Step 6: Final answer
    x = 24,618.30

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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.