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Finding the Fourth Proportional to 38,863.42, 58,295 and 16,662.40

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Solution

The fourth proportional to 38,863.42, 58,295 and 16,662.40 is: 24,993.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,863.42 : 58,295 = 16,662.40 : x
  2. Step 2: Convert to fraction form
    38,863.42/58,295 = 16,662.40/x
  3. Step 3: Cross multiply
    38,863.42x = 58,295 × 16,662.40
  4. Step 4: Simplify right side
    38,863.42x = 971,334,608.00
  5. Step 5: Solve for x
    x = 971,334,608.00/38,863.42
  6. Step 6: Final answer
    x = 24,993.54

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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.